{"id":292,"date":"2026-05-26T20:06:05","date_gmt":"2026-05-26T12:06:05","guid":{"rendered":"https:\/\/larkdrop.cafe\/?p=292"},"modified":"2026-05-26T20:06:05","modified_gmt":"2026-05-26T12:06:05","slug":"easyexcel","status":"publish","type":"post","link":"https:\/\/larkdrop.cafe\/index.php\/2026\/05\/26\/easyexcel\/","title":{"rendered":"EasyExcel"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u63d0\u8d77Excel\u6846\u67b6\uff0c\u6bd4\u8f83\u77e5\u540d\u7684<code>Apache-POI<\/code>\u7b49\u6846\u67b6\uff0c\u9488\u5bf9Excel\u7684\u5904\u7406\u63d0\u4f9b\u4e86\u975e\u5e38\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u4f46\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u91cf\u7ea7\u7684Excel\u6587\u4ef6\u65f6\uff0c\u4f1a\u5360\u7528\u6781\u9ad8\u7684\u5185\u5b58\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u4e14\u65e0\u8bba\u662f\u5bfc\u5165\u8fd8\u662f\u5bfc\u51fa\u901f\u5ea6\u90fd\u76f8\u5bf9\u8f83\u6162\uff0c\u4e8e\u662f\u963f\u91cc\u5df4\u5df4\u7684<code>EasyExcel<\/code>\u5e94\u8fd0\u800c\u751f\u3002<code>EasyExcel<\/code>\u662f\u4e00\u4e2a\u9ad8\u6548\u3001\u4f4e\u5185\u5b58\u5360\u7528\u7684<code>Excel<\/code>\u5904\u7406\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u7b80\u6d01\u6613\u7528\u7684<code>API<\/code>\u63a5\u53e3\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u5f97\u6211\u4eec\u80fd\u66f4\u52a0\u9ad8\u6548\u3001\u7075\u6d3b\u7684\u5904\u7406<code>Excel<\/code>\u6587\u4ef6\u3002\u5f53\u7136\uff0c<code>EasyExcel<\/code>\u5e76\u975e\u4e00\u4e2a\u5b8c\u5168\u4ece\u96f6\u6784\u5efa\u7684\u5f00\u6e90\u9879\u76ee\uff0c\u800c\u662f\u5728<code>Apache-POI<\/code>\u7684\u57fa\u7840\u4e0a\u505a\u4e86\u8fdb\u4e00\u6b65\u5c01\u88c5\u5f97\u5230\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u4ee5\u5982\u4e0bExcel\u6587\u4ef6\u4e3a\u4f8b\uff0c\u8bb2\u89e3\u57fa\u4e8eEasyExcel\u7684\u6570\u636e\u89e3\u6790<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/118.25.99.91\/courses\/web\/project\/assets\/note\/image\/05-Excel%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA\/%E8%A7%A3%E6%9E%90excel%E7%A4%BA%E4%BE%8B.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/118.25.99.91\/courses\/web\/project\/assets\/note\/image\/05-Excel%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA\/%E8%A7%A3%E6%9E%90excel%E7%A4%BA%E4%BE%8B.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\"\/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bfb\u53d6Excel\u6570\u636e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ea\u9700\u8981\u8c03\u7528EasyExcel\u7684read\u65b9\u6cd5\u7684\u5373\u53ef\uff0c\u8be5\u65b9\u6cd5\u9700\u8981\u4f20\u5165\u4e24\u4e2a\u53c2\u6570\uff0cinputStream\u4ee3\u8868\u6240\u8bfb\u53d6\u7684Excel\u6587\u4ef6\u8f93\u5165\u6d41\uff0cReadListener\u7528\u6765\u5904\u7406\u6bcf\u4e00\u884c\u8bfb\u53d6\u5230\u7684\u6570\u636e\u3002\u53c8\u56e0\u4e3a\u6bcf\u4e00\u884c\u6570\u636e\u7684\u5904\u7406\u968f\u7740\u4e1a\u52a1\u7684\u4e0d\u540c\u800c\u4e0d\u540c\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5728\u8c03\u7528read\u65b9\u6cd5\u65f6\u81ea\u5df1\u4f20\u5165ReadListener\u63a5\u53e3\u7684\u5b9e\u73b0\u5b50\u7c7b\u5bf9\u8c61(\u53ef\u4ee5\u4f7f\u7528\u533f\u540d\u5185\u90e8\u7c7b\u5bf9\u8c61\uff0c\u6216\u8005lambda\u8868\u8fbe\u5f0f)<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n    inputStream: \u8868\u793a\u6211\u4eec\u8bfb\u53d6\u7684Excel\u6587\u4ef6\u7684\u8f93\u5165\u6d41\n    clz: Excel\u6587\u4ef6\u5b9e\u4f53\u7c7b\u5bf9\u5e94\u7684\u6620\u5c04\u5b9e\u4f53\u7c7b\u7684Class\u5bf9\u8c61\n    readListener: \u6570\u636e\u8bfb\u53d6\u76d1\u542c\u5668\uff0c\u6bcf\u4e00\u884c\u7684\u6570\u636e\u90fd\u4ea4\u7ed9readListner\u6765\u5904\u7406\n*\/\npublic static ExcelReaderBuilder read(InputStream inputStream, Class head, ReadListener readListener)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6211\u4eec\u5e0c\u671b\u901a\u8fc7\u524d\u7aef\u9875\u9762\u4ee5<strong>\u6587\u4ef6\u4e0a\u4f20<\/strong>\u7684\u65b9\u5f0f\u8bfb\u53d6Excel\u6587\u4ef6\u5185\u5bb9\uff0c\u4ee3\u7801\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @PostMapping(\"upload\")\n    @ResponseBody\n    public String upload(MultipartFile file) throws IOException {\n        \n        \/\/ 1.\u521b\u5efa\u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u7684ReadListener\u5bf9\u8c61, \u6cdb\u578b\u7c7b\u578b\u8868\u793a\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\n        ReadListener&lt;XXX&gt; readListener= ....\n        \n        \/\/ 2. \u5b9a\u4e49\u7528\u6765\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\u7684Class\u5bf9\u8c61\n        Class&lt;XXX&gt; rowClass = XXX.class;\n        \n        \/\/ 3. \u8c03\u7528EeasyExcel\u7c7b\u7684\u9759\u6001\u65b9\u6cd5read\uff0c\u6309\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\n        EasyExcel.read(file.getInputStream(), rowClass, readListener)\n        \/\/ \u6307\u5b9a\u8bfb\u53d6\u7684sheet\u6211\u4eec\u7684\u4e00\u4e2aexcel\u53ea\u4f7f\u7528\u9ed8\u8ba4\u7684\u4e00\u4e2asheet\u6240\u4ee5\u4e0d\u7528\u6307\u5b9a\n        .sheet()\n        \/\/ \u5f00\u59cb\u8bfb\u53d6,\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\uff0c\u90a3\u4e48\u6574\u4e2aExcel\u6587\u4ef6\u4e5f\u8bfb\u53d6\u5b8c\u4e86\n        .doRead();\n        return \"success\";\n    }<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u53ea\u9700\u8981\u8c03\u7528EeasyExcel.read(&#8230;).sheet().doRead()\u65b9\u6cd5\u5373\u53ef\u5b8c\u6210<strong>\u6309\u884c<\/strong>\u5bf9Excel\u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6\u4e86\u3002\u4f46\u662f\uff0c\u5728read\u65b9\u6cd5\u4e2d\u6d89\u53ca\u5230\u4e86\u5982\u4e0b\u4e24\u4e2a\u53c2\u6570\uff0c\u6211\u4eec\u9700\u8981\u8be6\u7ec6\u4e86\u89e3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u6765\u5c01\u88c5Excel\u884c\u6570\u636e\u7684\u6620\u5c04\u5b9e\u4f53\u7c7b(\u6709\u70b9\u7c7b\u4f3c\u4e8e\u8bfb\u53d6\u6570\u636e\u5e93\u8868\u4e2d\u7684\u884c\u6570\u636e)<\/li>\n\n\n\n<li>\u7528\u6765\u8bfb\u53d6\u5230Excel\u884c\u6570\u636e\u7684ReadListener\u3002(\u6211\u4eec\u7684\u4e3b\u8981\u4ee3\u7801\u5c31\u5728\u8fd9\u4e2aReadListener\u4e2d)<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u6620\u5c04\u5b9e\u4f53\u7c7b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Excel\u4e2d\u7684\u4e00\u884c\u6570\u636e\u53ef\u4ee5\u6620\u5c04\u4e3a\u4e00\u4e2a\u5bf9\u8c61(\u7c7b\u4f3c\u4e8e\u6570\u636e\u5e93\u8868\u4e2d\u7684\u4e00\u884c\u6570\u636e\u4e5f\u53ef\u4ee5\u6620\u5c04\u4e3a\u4e00\u4e2a\u5bf9\u8c61)\u3002\u56e0\u6b64\u6211\u4eec\u5728\u89e3\u6790\u6570\u636e\u524d\u9700\u8981\u5148\u5b9a\u4e49\u5b9e\u4f53\u7c7b\uff0c\u5e76\u4e14\u5b8c\u6210\u5b9e\u4f53\u7c7b\u5c5e\u6027\u4e0eExcel\u6587\u4ef6\u5b57\u6bb5\u7684\u6620\u5c04\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u4f53\u7c7b\u6210\u5458\u53d8\u91cf\u4e0eExcel\u5b57\u6bb5\u7684\u6620\u5c04\u53ef\u4ee5\u4f7f\u7528@ExcelProperty\u6ce8\u89e3\u7684index\u5c5e\u6027\u6216\u8005value\u5c5e\u6027\u5b9a\u4e49:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>index\u5c5e\u6027: \u5b9a\u4e49\u7684\u662f\u5b9e\u4f53\u7c7b\u5c5e\u6027\u4e0eExcel\u5b57\u6bb5\u7684\u5217\u4e0b\u6807\u4e4b\u95f4\u7684\u6620\u5c04(Excel\u4e2d\u7684\u5217\u4e0b\u6807\u4ece0\u5f00\u59cb)<\/li>\n\n\n\n<li>value\u5c5e\u6027: \u5b9a\u4e49\u7684\u662f\u5b9e\u4f53\u7c7b\u5c5e\u6027\u4e0eExcel\u5b57\u6bb5\u540d\u79f0\u4e4b\u95f4\u7684\u6620\u5c04<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u79cd\u65b9\u5f0f\u90fd\u53ef\u4ee5\u5b8c\u6210\u5b9e\u4f53\u7c7b\u5c5e\u6027\u4e0eExcel\u5b57\u6bb5\u7684\u6620\u5c04\uff0c\u4f46\u662f\u5bf9\u4e8e\u67d0<code>\u4e00\u4e2a\u5c5e\u6027\u800c\u8a00<\/code>\u8981\u4e48\u4f7f\u7528index\uff0c\u8981\u4e48\u4f7f\u7528value\u5c5e\u6027\uff0c<code>\u4e0d\u8981\u540c\u65f6\u4f7f\u7528<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Getter\n@Setter\n@EqualsAndHashCode\npublic class DemoData {\n    \/**\n     * \u5c06\u8be5\u6210\u5458\u53d8\u91cf\u6620\u5c04\u5230excel\u7684\u7b2c3\u5217\u5373\u6570\u5b57\u6807\u9898\u90a3\u4e2a\u5b57\u6bb5(\u5217\u6570\u4ece0\u5f00\u59cb\u6240\u4ee5\u7b2c3\u5217\u7684index\u662f2)\n     *\/\n    @ExcelProperty(index = 2)\n    private Double doubleData;\n    \/**\n     * \u7528\u540d\u5b57\u53bb\u5339\u914d\uff0c\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\uff0c\u5982\u679c\u540d\u5b57\u91cd\u590d\uff0c\u4f1a\u5bfc\u81f4\u53ea\u6709\u4e00\u4e2a\u5b57\u6bb5\u8bfb\u53d6\u5230\u6570\u636e\n     *\/\n    @ExcelProperty(\"\u5b57\u7b26\u4e32\u6807\u9898\")\n    private String string;\n    @ExcelProperty(\"\u65e5\u671f\u6807\u9898\")\n    private Date date;\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">ReadListener\u6570\u636e\u8bfb\u53d6\u76d1\u542c\u5668<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u4e0aEasyExcel\u8bfb\u53d6Excel\u6587\u4ef6\u6570\u636e\u7684\u65b9\u5f0f\u662f\u4e00\u884c\u4e00\u884c\u8bfb\u53d6\u7684\uff0c\u6bcf\u8bfb\u53d6\u4e00\u884c\u6570\u636e\u5c31\u4f1a\u5c06\u6570\u636e\u8f6c\u5316\u4e3a\u5b9e\u4f53\u7c7b\u5bf9\u8c61\uff0c\u5e76\u4e14\u4ea4\u7ed9ReadListener\u6765\u5904\u7406\uff0cReadListener\u7684\u6cdb\u578b\u7c7b\u578b\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6307\u5b9a\u4e3aExcel\u5b9e\u4f53\u7c7b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230ReadListener\u4e3b\u8981\u5305\u542b3\u4e2a\u65b9\u6cd5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>invoke\u65b9\u6cd5: \u901a\u8fc7data\u63a5\u6536\u5f53\u524d\u8bfb\u53d6\u7684\u4e00\u884c\u6570\u636e\u8f6c\u5316\u800c\u6210\u7684\u5bf9\u8c61\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7context.readRowHolder().getRowIndex()\u65b9\u6cd5\u6307\u5b9a\u5f53\u524d\u8bfb\u53d6\u7684\u884c\u4e0b\u6807(\u884c\u4e0b\u6807\u4ece0\u5f00\u59cb)<\/li>\n\n\n\n<li>hasNext\u65b9\u6cd5: \u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u63a5\u7740\u7ee7\u7eed\u89e3\u6790\u5269\u4e0b\u7684Excel\u6570\u636e\uff0c\u5982\u679c\u8fd4\u56defalse\u5219\u4e0d\u4f1a\u7ee7\u7eed\u5411\u4e0b\u8bfb\u53d6\u6570\u636e\uff0c\u76f8\u5f53\u4e8e\u7ec8\u6b62\u6570\u636e\u8bfb\u53d6\u8fc7\u7a0b\uff0c\u9ed8\u8ba4\u59cb\u7ec8\u8fd4\u56detrue\u3002<\/li>\n\n\n\n<li>doAfterAllAnalysed\uff1a\u5f53excel\u6570\u636e\u5168\u90e8\u6210\u529f\u89e3\u6790\u5b8c\u6bd5\u65f6\uff0cdoAfterAllAnalysed\u65b9\u6cd5\u4f1a\u88ab\u8c03\u7528\u3002<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\n\/**\n   \u5b9e\u9645\u4e0a\u5982\u679c\u6211\u4eec\u5b9a\u4e49\u4e86Excel\u6587\u4ef6\u7684\u6620\u5c04\u5b9e\u4f53\u7c7b\n*\/\npublic interface ReadListener&lt;T&gt; extends Listener {\n\n    \/**\n     * When analysis one row trigger invoke function.\n     *\n     * @param data    one row value. It is same as {@link AnalysisContext#readRowHolder()}\n     * @param context analysis context\n     *\/\n    void invoke(T data, AnalysisContext context);\n    \n    \/**\n     * Verify that there is another piece of data.You can stop the read by returning false\n     *\n     * @param context\n     * @return\n     *\/\n    default boolean hasNext(AnalysisContext context) {\n        return true;\n    }\n\n\n    \/**\n     * if have something to do after all analysis\n     *\n     * @param context\n     *\/\n    void doAfterAllAnalysed(AnalysisContext context);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9a\u4e49\u5904\u7406\u793a\u4f8bExcel\u6587\u4ef6\u7684ReadLisner\u5b50\u7c7b\u5982\u4e0b(\u5b9e\u9645\u4f7f\u7528\u7684\u65f6\u5019\u4e5f\u53ef\u4ee5\u4e0d\u7528\u5b9a\u4e49\u5b50\u7c7b\uff0c\u4f7f\u7528lambda\u8868\u8fbe\u5f0f\u6216\u8005\u533f\u540d\u5185\u90e8\u7c7b\u5bf9\u8c61\u90fd\u53ef\u4ee5):<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6709\u4e2a\u5f88\u91cd\u8981\u7684\u70b9 DemoDataListener \u4e0d\u80fd\u88abspring\u7ba1\u7406\uff0c\u8981\u6bcf\u6b21\u8bfb\u53d6excel\u90fd\u8981new,\u7136\u540e\u91cc\u9762\u7528\u5230spring\u53ef\u4ee5\u6784\u9020\u65b9\u6cd5\u4f20\u8fdb\u53bb\n@Slf4j\npublic class DemoDataListener implements ReadListener&lt;DemoData&gt; {\n\n    \/**\n     * \u5047\u8bbe\u8fd9\u4e2a\u662f\u4e00\u4e2aMapper\uff0c\u5f53\u7136\u6709\u4e1a\u52a1\u903b\u8f91\u8fd9\u4e2a\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2aservice\u3002\u5f53\u7136\u5982\u679c\u4e0d\u7528\u5b58\u50a8\u8fd9\u4e2a\u5bf9\u8c61\u6ca1\u7528\u3002\n     *\/\n    private DemoMapper demoMapper;\n\n\n    \/**\n     * \u5982\u679c\u4f7f\u7528\u4e86spring,\u8bf7\u4f7f\u7528\u8fd9\u4e2a\u6784\u9020\u65b9\u6cd5\u3002\u6bcf\u6b21\u521b\u5efaListener\u7684\u65f6\u5019\u9700\u8981\u628aspring\u7ba1\u7406\u7684\u7c7b\u4f20\u8fdb\u6765\n     *\n     * @param demoDAO\n     *\/\n    public DemoDataListener(DemoMapper demoMapper) {\n        this.demoMapper = demoMapper;\n    }\n\n    \/**\n     * \u8fd9\u4e2a\u6bcf\u4e00\u6761\u6570\u636e\u89e3\u6790\u90fd\u4f1a\u6765\u8c03\u7528\n     *\n     * @param data    one row value. Is is same as {@link AnalysisContext#readRowHolder()}\n     * @param context\n     *\/\n    @Override\n    public void invoke(DemoData data, AnalysisContext context) {\n        log.info(\"\u89e3\u6790\u5230\u4e00\u6761\u6570\u636e:{}\", JSON.toJSONString(data));\n        \/\/ \u5411\u6570\u636e\u5e93\u4fdd\u5b58\u4e00\u6761\u6570\u636e\n        saveData(data);\n    }\n\n    \/**\n     * \u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\u4e86 \u90fd\u4f1a\u6765\u8c03\u7528\n     *\n     * @param context\n     *\/\n    @Override\n    public void doAfterAllAnalysed(AnalysisContext context) {\n        log.info(\"\u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\uff01\");\n    }\n\n    \/**\n     * \u52a0\u4e0a\u5b58\u50a8\u6570\u636e\u5e93\n     *\/\n    private void saveData(DemoData data) {\n        log.info(\"\u5f00\u59cb\u5b58\u50a8\u6570\u636e\u5e93\uff01\");\n        demoMapper.insert(data);\n        log.info(\"\u5b58\u50a8\u6570\u636e\u5e93\u6210\u529f\uff01\");\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u9488\u5bf9\u8bfe\u4ef6\u4e2d\u7ed9\u51fa\u7684Excel\u6570\u636e\u7684\u8bfb\u53d6\uff0c\u5b8c\u6574\u7684\u8bfb\u53d6\u4ee3\u7801\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @PostMapping(\"upload\")\n    @ResponseBody\n    public String upload(MultipartFile file) throws IOException {\n        \n        \/\/ 1.\u521b\u5efa\u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u7684ReadListener\u5bf9\u8c61, \u6cdb\u578b\u7c7b\u578b\u8868\u793a\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\n        ReadListener&lt;DemoData&gt; readListener = new  DemoDataListener(demoMapper);\n        \n        \/\/ 2. \u5b9a\u4e49\u7528\u6765\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\u7684Class\u5bf9\u8c61\n        Class&lt;DemoData&gt; rowClass = DemoData.class;\n        \n        \/\/ 3. \u8c03\u7528EeasyExcel\u7c7b\u7684\u9759\u6001\u65b9\u6cd5read\uff0c\u6309\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\n        EasyExcel.read(file.getInputStream(), rowClass, readListener)\n        \/\/ \u6307\u5b9a\u8bfb\u53d6\u7684sheet\u6211\u4eec\u7684\u4e00\u4e2aexcel\u53ea\u4f7f\u7528\u9ed8\u8ba4\u7684\u4e00\u4e2asheet\u6240\u4ee5\u4e0d\u7528\u6307\u5b9a\n        .sheet()\n        \/\/ \u5f00\u59cb\u8bfb\u53d6,\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\uff0c\u90a3\u4e48\u6574\u4e2aExcel\u6587\u4ef6\u4e5f\u8bfb\u53d6\u5b8c\u4e86\n        .doRead();\n        return \"success\";\n    }<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bfb\u53d6Excel\u5934<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ReadLisner\u4e2d\u7684invoke\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u6211\u4eec\u83b7\u53d6\u5230Excel\u6587\u4ef6\u4e2d\u7684Excel\u6570\u636e\uff0c\u4f46\u662f\u5982\u679c\u6211\u4eec\u8fd8\u60f3\u83b7\u53d6Excel\u6587\u4ef6\u5934\u6570\u636e\u5462?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/118.25.99.91\/courses\/web\/project\/assets\/note\/image\/05-Excel%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA\/image-20250428171755817.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"http:\/\/118.25.99.91\/courses\/web\/project\/assets\/note\/image\/05-Excel%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA\/image-20250428171755817.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"image-20250428171755817\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ReadListener\u7684\u4e00\u4e2a\u62bd\u8c61\u5b50\u7c7b\u6765\u5b8c\u6210\u2014\u2014AnalysisEventListener\uff0c\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n * Receives the return of each piece of data parsed\n *\n * @author jipengfei\n *\/\npublic abstract class AnalysisEventListener&lt;T&gt; implements ReadListener&lt;T&gt; {\n\n    \/\/ \u6b64\u65b9\u6cd5\u6211\u4eec\u65e0\u9700\u5173\u5fc3,\u662f\u6846\u67b6\u5185\u90e8\u4f7f\u7528\n    @Override\n    public void invokeHead(Map&lt;Integer, ReadCellData&lt;?&gt;&gt; headMap, AnalysisContext context) {\n        invokeHeadMap(ConverterUtils.convertToStringMap(headMap, context), context);\n    }\n\n    \/**\n     * \u8fd9\u4e2a\u65b9\u6cd5\u624d\u662f\u6211\u4eec\u7528\u6765\u83b7\u53d6Excel\u6587\u4ef6\u5934\u7684\n     * Returns the header as a map.Override the current method to receive header data.\n     * \n     * @param headMap: key\u4e3aExcel\u5217\u4e0b\u6807\uff0cvalue\u4e3a\u8be5\u5217\u7684\u540d\u79f0\n     *\/\n    public void invokeHeadMap(Map&lt;Integer, String&gt; headMap, AnalysisContext context) {}\n\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u6211\u4eec\u8981\u662f\u7528AnalysisEventListener\u65e2\u8bfb\u53d6\u793a\u4f8bExcel\u6587\u4ef6\u5934\u6570\u636e\uff0c\u53c8\u8981\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684AnalysisEventListener\u7684\u5b50\u7c7b\u5373\u53ef<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6709\u4e2a\u5f88\u91cd\u8981\u7684\u70b9 DemoDataListener \u4e0d\u80fd\u88abspring\u7ba1\u7406\uff0c\u8981\u6bcf\u6b21\u8bfb\u53d6excel\u90fd\u8981new,\u7136\u540e\u91cc\u9762\u7528\u5230spring\u53ef\u4ee5\u6784\u9020\u65b9\u6cd5\u4f20\u8fdb\u53bb\npublic class MyHeaderReadListener extends AnalysisEventListener&lt;DemoData&gt; {\n    \n    \/\/ \u5982\u679c\u9700\u8981\u4f7f\u7528\u5176\u4ed6Mapper\uff0c\u6216\u8005Service\u7684\u8bdd\uff0c\u53ef\u4ee5\u5b9a\u4e49\u6210\u5458\u53d8\u91cf\uff0c\u4ee5\u53ca\u5bf9\u5e94\u7684\u6784\u9020\u65b9\u6cd5\n    \n\n    \/\/ \u6211\u4eec\u53ea\u9700\u8981\u91cd\u5199invokeHeadMap\u65b9\u6cd5\u5373\u53ef\u83b7\u53d6Excel\u6587\u4ef6\u5934\n    @Override\n    public void invokeHeadMap(Map&lt;Integer, String&gt; headMap, AnalysisContext context) {\n       \/\/ \u901a\u8fc7headMap\u8fd9\u4e2a\u65b9\u6cd5\u53c2\u6570\uff0c\u83b7\u53d6Excel\u6587\u4ef6\u5934\u5bf9\u5e94\u4e0b\u6807\u7684\u5217\u540d\u79f0  \n    }\n\n    \/\/ \u8be5\u65b9\u6cd5\u5c31\u662fReadListener\u7236\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u7528\u6765\u8bfb\u53d6\u884c\u6570\u636e\n    @Override\n    public void invoke(DemoData data, AnalysisContext context) {\n\n    }\n\n    \/\/ \u8be5\u65b9\u6cd5\u5c31\u662fReadListener\u7236\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u5728excel\u8bfb\u53d6\u5b8c\u6bd5\u540e\u6267\u884c\n    @Override\n    public void doAfterAllAnalysed(AnalysisContext context) {\n\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4f7f\u7528\u7684\u65f6\u5019\uff0c\u4ee3\u7801\u51e0\u4e4e\u662f\u4e00\u6837\u7684<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @PostMapping(\"upload\")\n    @ResponseBody\n    public String upload(MultipartFile file) throws IOException {\n        \n        \/\/ 1.\u521b\u5efa\u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u7684ReadListener\u5bf9\u8c61, \u6cdb\u578b\u7c7b\u578b\u8868\u793a\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\n        AnalysisEventListener&lt;DemoData&gt; analysisEventListener = new  MyHeaderReadListener(....);\n        \n        \/\/ 2. \u5b9a\u4e49\u7528\u6765\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\u7684Class\u5bf9\u8c61\n        Class&lt;DemoData&gt; rowClass = DemoData.class;\n        \n        \/\/ 3. \u8c03\u7528EeasyExcel\u7c7b\u7684\u9759\u6001\u65b9\u6cd5read\uff0c\u6309\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\n        EasyExcel.read(file.getInputStream(), rowClass, readListener)\n        \/\/ \u6307\u5b9a\u8bfb\u53d6\u7684sheet\u6211\u4eec\u7684\u4e00\u4e2aexcel\u53ea\u4f7f\u7528\u9ed8\u8ba4\u7684\u4e00\u4e2asheet\u6240\u4ee5\u4e0d\u7528\u6307\u5b9a\n        .sheet()\n        \/\/ \u5f00\u59cb\u8bfb\u53d6,\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\uff0c\u90a3\u4e48\u6574\u4e2aExcel\u6587\u4ef6\u4e5f\u8bfb\u53d6\u5b8c\u4e86\n        .doRead();\n        return \"success\";\n    }<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6279\u91cf\u5904\u7406Excel\u6570\u636e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2aExcel\u6570\u636e\u4e2d\u53ef\u80fd\u6709\u4e0a\u4e07\u6761\u6570\u636e\uff0c\u6709\u65f6\u6211\u4eec\u60f3\u8981\u6279\u91cf\u5904\u7406\uff0c\u4e00\u6b21\u5904\u7406\u591a\u884cExcel\u6570\u636e\u600e\u4e48\u529e\u5462\uff1f\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u5bf9\u8bfb\u53d6\u6570\u636e\u7684DemoDataListener\u6216\u8005MyHeaderReadListener\u7a0d\u52a0\u6539\u9020\u5373\u53ef\uff0c\u8fd9\u91cc\u4ee5DemoDataListener\u4e3a\u4f8b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6709\u4e2a\u5f88\u91cd\u8981\u7684\u70b9 DemoDataListener \u4e0d\u80fd\u88abspring\u7ba1\u7406\uff0c\u8981\u6bcf\u6b21\u8bfb\u53d6excel\u90fd\u8981new,\u7136\u540e\u91cc\u9762\u7528\u5230spring\u53ef\u4ee5\u6784\u9020\u65b9\u6cd5\u4f20\u8fdb\u53bb\n@Slf4j\npublic class DemoDataListener implements ReadListener&lt;DemoData&gt; {\n\n    \/**\n     * \u6bcf100\u6761\u6570\u636e\u5904\u7406\u4e00\u6b21\uff0c\u7136\u540e\u6e05\u7406list \uff0c\u65b9\u4fbf\u5185\u5b58\u56de\u6536\n     *\/\n    private static final int BATCH_COUNT = 100;\n    \/**\n     * \u7f13\u5b58\u7684\u6570\u636e\n     *\/\n    private List&lt;DemoData&gt; cachedDataList = ListUtils.newArrayListWithExpectedSize(BATCH_COUNT);\n    \/**\n     * \u5047\u8bbe\u8fd9\u4e2a\u662f\u4e00\u4e2aMapper\uff0c\u5f53\u7136\u6709\u4e1a\u52a1\u903b\u8f91\u8fd9\u4e2a\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2aservice\u3002\u5f53\u7136\u5982\u679c\u4e0d\u7528\u5b58\u50a8\u8fd9\u4e2a\u5bf9\u8c61\u6ca1\u7528\u3002\n     *\/\n    private DemoMapper demoMapper;\n\n    \/**\n     * \u5982\u679c\u4f7f\u7528\u4e86spring,\u8bf7\u4f7f\u7528\u8fd9\u4e2a\u6784\u9020\u65b9\u6cd5\u3002\u6bcf\u6b21\u521b\u5efaListener\u7684\u65f6\u5019\u9700\u8981\u628aspring\u7ba1\u7406\u7684\u7c7b\u4f20\u8fdb\u6765\n     *\n     * @param demoDAO\n     *\/\n    public DemoDataListener(DemoMapper demoMapper) {\n        this.demoMapper = demoMapper;\n    }\n\n    \/**\n     * \u8fd9\u4e2a\u6bcf\u4e00\u6761\u6570\u636e\u89e3\u6790\u90fd\u4f1a\u6765\u8c03\u7528\n     *\n     * @param data    one row value. Is is same as {@link AnalysisContext#readRowHolder()}\n     * @param context\n     *\/\n    @Override\n    public void invoke(DemoData data, AnalysisContext context) {\n        log.info(\"\u89e3\u6790\u5230\u4e00\u6761\u6570\u636e:{}\", JSON.toJSONString(data));\n        cachedDataList.add(data);\n        \/\/ \u8fbe\u5230BATCH_COUNT\u4e86\uff0c\u9700\u8981\u53bb\u5b58\u50a8\u4e00\u6b21\u6570\u636e\u5e93\uff0c\u9632\u6b62\u6570\u636e\u51e0\u4e07\u6761\u6570\u636e\u5728\u5185\u5b58\uff0c\u5bb9\u6613OOM\n        if (cachedDataList.size() &gt;= BATCH_COUNT) {\n            saveData();\n            \/\/ \u5b58\u50a8\u5b8c\u6210\u6e05\u7406 list\n            cachedDataList = ListUtils.newArrayListWithExpectedSize(BATCH_COUNT);\n        }\n    }\n\n    \/**\n     * \u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\u4e86 \u90fd\u4f1a\u6765\u8c03\u7528\n     *\n     * @param context\n     *\/\n    @Override\n    public void doAfterAllAnalysed(AnalysisContext context) {\n        \/\/ \u8fd9\u91cc\u4e5f\u8981\u4fdd\u5b58\u6570\u636e\uff0c\u786e\u4fdd\u6700\u540e\u9057\u7559\u7684\u6570\u636e\u4e5f\u5b58\u50a8\u5230\u6570\u636e\u5e93\n        saveData();\n        log.info(\"\u6240\u6709\u6570\u636e\u89e3\u6790\u5b8c\u6210\uff01\");\n    }\n\n    \/**\n     * \u52a0\u4e0a\u5b58\u50a8\u6570\u636e\u5e93\n     *\/\n    private void saveData() {\n        log.info(\"{}\u6761\u6570\u636e\uff0c\u5f00\u59cb\u5b58\u50a8\u6570\u636e\u5e93\uff01\", cachedDataList.size());\n        \/\/ \u5229\u7528\u901a\u7528mapper\uff0c\u6216\u8005\u901a\u7528Service\u6279\u91cf\u4fdd\u5b58\u6570\u636e\u5230\u6570\u636e\u5e93\n        log.info(\"\u5b58\u50a8\u6570\u636e\u5e93\u6210\u529f\uff01\");\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u9020\u5b8c\u6210\u4e4b\u540e\u7684\u4f7f\u7528\u8fd8\u662f\u548c\u4e4b\u524d\u4e00\u6a21\u4e00\u6837:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    @PostMapping(\"upload\")\n    @ResponseBody\n    public String upload(MultipartFile file) throws IOException {\n        \n        \/\/ 1.\u521b\u5efa\u7528\u4e8e\u8bfb\u53d6\u6570\u636e\u7684ReadListener\u5bf9\u8c61, \u6cdb\u578b\u7c7b\u578b\u8868\u793a\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\n        AnalysisEventListener&lt;DemoData&gt; analysisEventListener = new  MyHeaderReadListener(....);\n        \n        \/\/ 2. \u5b9a\u4e49\u7528\u6765\u5c01\u88c5Excel\u6bcf\u884c\u6570\u636e\u7684\u5b9e\u4f53\u7c7b\u7684Class\u5bf9\u8c61\n        Class&lt;DemoData&gt; rowClass = DemoData.class;\n        \n        \/\/ 3. \u8c03\u7528EeasyExcel\u7c7b\u7684\u9759\u6001\u65b9\u6cd5read\uff0c\u6309\u884c\u8bfb\u53d6Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\n        EasyExcel.read(file.getInputStream(), rowClass, readListener)\n        \/\/ \u6307\u5b9a\u8bfb\u53d6\u7684sheet\u6211\u4eec\u7684\u4e00\u4e2aexcel\u53ea\u4f7f\u7528\u9ed8\u8ba4\u7684\u4e00\u4e2asheet\u6240\u4ee5\u4e0d\u7528\u6307\u5b9a\n        .sheet()\n        \/\/ \u5f00\u59cb\u8bfb\u53d6,\u65b9\u6cd5\u6267\u884c\u5b8c\u6bd5\uff0c\u90a3\u4e48\u6574\u4e2aExcel\u6587\u4ef6\u4e5f\u8bfb\u53d6\u5b8c\u4e86\n        .doRead();\n        return \"success\";\n    }<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Excel\u7684\u4e0a\u4f20\u5206\u4e3a\u4e86\u4e24\u4e2a\u6b65\u9aa4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6821\u9a8c: \u5f53\u6211\u4eec\u70b9\u51fb\u4e0a\u4f20\uff0c\u5e76\u9009\u62e9Excel\u6587\u4ef6\u540e\uff0c\u524d\u7aef\u9875\u9762\u9996\u5148\u4f1a\u8c03\u7528\u540e\u7aef\u63a5\u53e3\uff0c\u6821\u9a8cExcel\u6587\u4ef6\u5185\u5bb9\u7684\u6b63\u786e\u6027<\/li>\n\n\n\n<li>\u4e0a\u4f20: \u5f53Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u90fd\u6821\u9a8c\u65e0\u8bef\uff0c\u624d\u80fd\u70b9\u51fb\u786e\u5b9a\uff0c\u5f00\u59cb\u4e0a\u4f20Excel\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u63a5\u4e0b\u6765\uff0c\u7b80\u5355\u8bf4\u660e\u4e00\u4e0b\u6821\u9a8c\u548c\u4e0a\u4f20<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Excel\u6570\u636e\u6821\u9a8c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u4e8e\u8bcd\u6c47\u7ba1\u7406\u7684Excel\u6587\u4ef6\u6211\u4eec\u53ef\u4ee5\u6821\u9a8c\u5982\u4e0b\u5185\u5bb9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6821\u9a8c\u5355\u5143\u683c\u4e2d\u662f\u5426\u6709\u7a7a\u6570\u636e(\u662f\u5426\u6709\u5bf9\u8c61\u7684\u5c5e\u6027\u503c\u4e3anull)<\/li>\n\n\n\n<li>\u6821\u9a8c\u5355\u8bcd\u683c\u5f0f\u662f\u5426\u4e3a \u8bcd\u6027.\u8bcd\u4e49<\/li>\n\n\n\n<li>\u6821\u9a8c\u4f8b\u53e5\u683c\u5f0f\u662f\u5426\u4e3a: \u82f1\u6587\u4f8b\u53e5\\n\u4f8b\u53e5\u4e2d\u6587\u91ca\u4e49<\/li>\n\n\n\n<li>\u6821\u9a8c\u5355\u8bcd\u6240\u5c5e\u7684\u4e66\u7c4d\u6216\u8005\u7ae0\u8282\u662f\u5426\u5b58\u5728<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4ee5\u4e0a\u6821\u9a8c\u4e2d\uff0c\u5982\u4f55\u4e00\u4e2a\u6821\u9a8c\u6709\u95ee\u9898\uff0c\u90fd\u53ef\u4ee5\u629b\u51fa\u5f02\u5e38ExcelParseException(\u9879\u76ee\u4e2d\u7ed9\u5927\u5bb6\u63d0\u4f9b)\uff0c\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class ExcelParseException extends BusinessException {\n    \/\/ \u884c\u6570\n    private int rowNum;\n    \/\/ \u5217\u6570\n    private int colNum;\n    \/\/ \u5355\u5143\u683c\u503c\n    private String cellValue;\n\n    public ExcelParseException(ResultCodeEnum codeEnum, int rowNum, int colNum, String cellValue, String message) {\n        super(message, codeEnum.getCode());\n        this.rowNum = rowNum;\n        this.colNum = colNum;\n        this.cellValue = cellValue;\n    }\n\n    public ExcelParseException(ResultCodeEnum codeEnum, int rowNum, String message) {\n        super(message, codeEnum.getCode());\n        this.rowNum = rowNum;\n        this.colNum = -1;\n        this.cellValue = null;\n    }\n\n    public ExcelParseException(ResultCodeEnum codeEnum, String message) {\n        super(message, codeEnum.getCode());\n        this.rowNum = -1;\n        this.colNum = -1;\n        this.cellValue = null;\n    }\n\n    @Override\n    public String getMessage() {\n        if (rowNum &gt;= 0 &amp;&amp; colNum &gt;= 0 &amp;&amp; cellValue != null) {\n            return String.format(\"Excel\u89e3\u6790\u9519\u8bef(\u884c:%d,\u5217:%d,\u503c:%s) - %s\",\n                                rowNum, colNum, cellValue, super.getMessage());\n        } else if (rowNum &gt;= 0) {\n            return String.format(\"Excel\u89e3\u6790\u9519\u8bef(\u884c:%d) - %s\", rowNum, super.getMessage());\n        } else {\n            return String.format(\"Excel\u89e3\u6790\u9519\u8bef - %s\", super.getMessage());\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>   \n    @Autowired\n    VocService vocService;\n   \n   \n    @PostMapping(\"\/admin\/voc\/excel\/validate\")\n    public Result vocExcelVerify(@RequestParam(\"vocExcel\") MultipartFile file) throws IOException {\n        \/\/ \u5728\u8be5service\u65b9\u6cd5\u4e2d\u5b8c\u6210Excel\u6587\u4ef6\u5185\u5bb9\u7684\u8bfb\u53d6\n        vocService.vocExcelValidate(file);\n        return Result.ok();\n    }<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Excel\u6570\u636e\u4e0a\u4f20<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u4e8eExcel\u6587\u4ef6\u4e0a\u4f20\u9700\u8981\u6ce8\u610f\u7684\u662f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u597d\u80fd\u591f\u6279\u91cf\u5904\u7406\uff0c\u5c06\u591a\u884c\u6570\u636e\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u5904\u7406<\/li>\n\n\n\n<li>\u4e0a\u4f20\u6570\u636e\u7684\u8fc7\u7a0b\u4e2d\u4e00\u65e6\u51fa\u73b0\u95ee\u9898\uff0c\u629b\u51faExcelParseException<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>\n    @Autowired\n    VocService vocService;\n\n    @PostMapping(\"\/admin\/voc\/excel\")\n    public Result addVocExcel(@RequestParam(\"vocExcel\") MultipartFile file) throws IOException {\n        \/\/ \u83b7\u53d6\u5f53\u524d\u767b\u5f55\u7684\u540e\u53f0\u7528\u6237id\n        Long employeeId = StpKit.ADMIN.getLoginIdAsLong();\n        \/\/ \u8c03\u7528\u8be5\u65b9\u6cd5\u5b8c\u6210Excel\u4e0a\u4f20\u5355\u8bcd\u529f\u80fd\n        vocService.addVocExcel(file, employeeId);\n        return Result.ok();\n    }<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Excel\u6a21\u7248\u4e0b\u8f7d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">excel\u6587\u4ef6\u7684\u4e0b\u8f7d\u6ca1\u4ec0\u4e48\u6280\u672f\u96be\u5ea6\uff0c\u4ee3\u7801\u76f4\u63a5\u7ed9\u5230\u5927\u5bb6\uff0c\u4ee3\u7801\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\npublic ResponseEntity&lt;byte&#91;]&gt; downloadTemplate() throws IOException {\n           public ResponseEntity&lt;byte&#91;]&gt; downloadTemplate() throws IOException {\n        \/\/ \u4f7f\u7528ClassPathResource\u8bfb\u53d6\u8d44\u6e90\u6587\u4ef6\n\n        ClassPathResource resource;\n        resource = new ClassPathResource(\"templates\/\u5355\u8bcd\u4e0a\u4f20\u6a21\u7248.xlsx\");\n\n        \/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\n        if (!resource.exists()) {\n            return ResponseEntity.notFound().build();\n        }\n\n        \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\n        InputStream inputStream = resource.getInputStream();\n        byte&#91;] fileBytes = IOUtils.toByteArray(inputStream);\n\n        \/\/ \u8bbe\u7f6e\u54cd\u5e94\u5934\n        HttpHeaders headers = new HttpHeaders();\n        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);\n        headers.setContentDispositionFormData(\"attachment\",\n                URLEncoder.encode(resource.getFilename(), \"UTF-8\"));\n\n        return ResponseEntity.ok()\n                .headers(headers)\n                .body(fileBytes);\n    }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u8d77Excel\u6846\u67b6\uff0c\u6bd4\u8f83\u77e5\u540d\u7684Apache-POI\u7b49\u6846\u67b6\uff0c\u9488\u5bf9Excel\u7684\u5904\u7406\u63d0\u4f9b\u4e86\u975e\u5e38\u4e30\u5bcc\u7684\u529f\u80fd\uff0c\u4f46\u662f\u5728\u5904\u7406 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-292","post","type-post","status-publish","format-standard","hentry","category-learn"],"_links":{"self":[{"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/posts\/292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/comments?post=292"}],"version-history":[{"count":1,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/posts\/292\/revisions"}],"predecessor-version":[{"id":293,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/posts\/292\/revisions\/293"}],"wp:attachment":[{"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/media?parent=292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/categories?post=292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/larkdrop.cafe\/index.php\/wp-json\/wp\/v2\/tags?post=292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}