{"id":208079,"date":"2025-07-08T16:29:29","date_gmt":"2025-07-08T08:29:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208079\/"},"modified":"2025-07-08T16:29:29","modified_gmt":"2025-07-08T08:29:29","slug":"%e5%b0%86-csv-%e8%a7%a3%e7%bb%84%e4%b8%ba%e7%bb%93%e6%9e%84%ef%bc%8c%e7%84%b6%e5%90%8e%e5%af%bc%e5%85%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208079\/","title":{"rendered":"\u5c06 CSV \u89e3\u7ec4\u4e3a\u7ed3\u6784\uff0c\u7136\u540e\u5bfc\u5165"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5c06 CSV \u89e3\u7ec4\u4e3a\u7ed3\u6784\uff0c\u7136\u540e\u5bfc\u5165<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-28 19:18:32<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

Golang<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5c06 CSV \u89e3\u7ec4\u4e3a\u7ed3\u6784\uff0c\u7136\u540e\u5bfc\u5165\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5c1d\u8bd5\u5b66\u4e60 go\u3002 \u6211\u6b63\u5728\u52aa\u529b\u5c06 csv \u8bb0\u5f55\u89e3\u7ec4\u5230\u7ed3\u6784\u4e2d\uff0c\u4ee5\u4fbf\u6211\u53ef\u4ee5\u521b\u5efa\u63d2\u5165\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u5bfc\u5165\u5230\u6211\u7684\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n

\u6211\u6b63\u5728\u5bfb\u627e\u4e00\u79cd\u81ea\u52a8\u5316\u7f16\u7ec4\u7684\u65b9\u6cd5\uff0c\u5176\u65b9\u5f0f\u4e0e\u7f16\u7801\u7c7b\u4f3c<\/p>\n

\u5f53\u6211\u8fd0\u884c main \u65f6\uff0c\u6211\u6536\u5230\u9519\u8bef<\/p>\n

panic: strconv.parseint: parsing \"id\": invalid syntax<\/pre>\n
\u6211\u5df2\u7ecf\u7f16\u5199\u4e86\u4e00\u4e9b\u4ee3\u7801\uff0c\u5e94\u8be5\u5c06\u6211\u7684 .csv \u8bb0\u5f55\u89e3\u7ec4\u4e3a\u7ed3\u6784<\/p>\n
func unmarshal(reader *csv.reader, v interface{}) error {\n    record, err := reader.read()\n    if err != nil {\n        return err\n    }\n    s := reflect.valueof(v).elem()\n    if s.numfield() != len(record) {\n        return &fieldmismatch{s.numfield(), len(record)}\n    }\n    for i := 0; i < s.numfield(); i++ {\n        f := s.field(i)\n        switch f.type().string() {\n        case \"string\":\n            f.setstring(record[i])\n        case \"int\":\n            ival, err := strconv.parseint(record[i], 10, 0)\n            if err != nil {\n                return err\n            }\n            f.setint(ival)\n        default:\n            return &unsupportedtype{f.type().string()}\n        }\n    }\n    return nil\n}<\/pre>\n
\u6211\u5728\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u521b\u5efa\u4e86\u8fd9\u4e2a\u7ed3\u6784\uff1a<\/p>\n
type inserttodatabase struct {\n    id         int `csv:\"id\"`\n    groupid    int `csv:\"group_id\"`\n    name    string `csv:\"name\"`\n    status int `csv:\"status\"`\n}<\/pre>\n
\u5f53 main \u8fd0\u884c\u65f6\uff0c\u5b83\u5e94\u8be5\u8fd0\u884c\u8fd9\u6bb5\u4ee3\u7801\uff0c\u7136\u540e\u89e3\u6790\u6211\u7684 .csv \u6587\u4ef6\u4ee5\u521b\u5efa\u63d2\u5165\uff0c\u7136\u540e\u5728\u6211\u7684\u672c\u5730\u6570\u636e\u5e93\u4e0a\u8fd0\u884c\u3002 <\/p>\n
var InsertTest InsertToDatabase\n    reader := csv.NewReader(file)\n    for {\n        err := Unmarshal(reader, &InsertTest)\n        if err == io.EOF {\n            break\n        }\n        if err != nil {\n            panic(err)\n        }\n        channel <- InsertTest\n    }\n}<\/pre>\n
\u6709\u6ca1\u6709\u529e\u6cd5\u63d0\u9ad8\u8fd9\u6bb5\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff1f\u53e6\u5916\uff0c\u6211\u5e94\u8be5\u5faa\u73af\u5e76\u8c03\u7528 .read<\/code> \u4e00\u6b21\u5904\u7406\u4e00\u884c\u5417\uff1f<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5f53\u6211\u8fd0\u884c main \u65f6\uff0c\u6211\u6536\u5230\u9519\u8bef<\/p>\n
\u6050\u614c\uff1astrconv.ParseInt\uff1a\u89e3\u6790\u201cid\u201d\uff1a\u8bed\u6cd5\u65e0\u6548<\/p>\n
\u6211\u731c\u60a8\u662f\u65e0\u610f\u4e2d\u89e3\u6790\u4e86 CSV \u6587\u4ef6\u7684\u6807\u9898\u884c\u3002<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300a\u5c06 CSV \u89e3\u7ec4\u4e3a\u7ed3\u6784\uff0c\u7136\u540e\u5bfc\u5165\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208079","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208079"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208079\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}