{"id":210273,"date":"2020-11-27T06:40:35","date_gmt":"2020-11-26T22:40:35","guid":{"rendered":"http:\/\/4563.org\/?p=210273"},"modified":"2020-11-27T06:40:35","modified_gmt":"2020-11-26T22:40:35","slug":"%e9%97%ae%e4%b8%80%e4%b8%aa-golang-%e4%b8%ad-interface-%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=210273","title":{"rendered":"\u95ee\u4e00\u4e2a golang \u4e2d interface \u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u95ee\u4e00\u4e2a golang \u4e2d interface \u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wangwenfan <\/span>  <span><i><\/i> 2<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u8c03\u7528\u65b9\u6cd5\u8fd4\u56de\u503c\u662f\u4e00\u4e2a interface\uff0c\u4e3a\u4ec0\u4e48\u53d6\u4e0d\u5230\u91cc\u9762\u7684\u5b57\u6bb5<\/p>\n<pre><code>type error interface {  Error() string }  <\/code><\/pre>\n<p>\u8c03\u7528\u548c\u8fd4\u56de\u5982\u4e0b\u56fe\uff0c\u8fd4\u56de\u503c err \u662f\u4e0b\u9762 debug \u91cc\u9762\u7684 vErr <img decoding=\"async\" loading=\"lazy\" referrerpolicy=\"no-referrer\" rel=\"noreferrer\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/12\/20201130_5fc53f9ad854a.jpg\" alt=\"\u95ee\u4e00\u4e2a golang \u4e2d interface \u95ee\u9898\" \/><\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>6<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4361332\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rrfeng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             err.Error()<\/p>\n<p>\u4f60\u662f\u600e\u4e48\u5f97\u51fa\u6765 .Errors \u8fd9\u4e2a\u300e\u4e1c\u897f\u300f\u7684\uff1f\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4361333\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : baiyi <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd4\u56de\u7684\u662f interface\uff0c\u5982\u679c\u60f3\u7528\u7279\u5b9a\u7c7b\u578b\u7684\u5c5e\u6027\uff0c\u9700\u8981\u7c7b\u578b\u65ad\u8a00                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4361334\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rrfeng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5662\uff0c\u9700\u8981\u8f6c\u4e00\u4e0b\u7c7b\u578b\u3002<br \/>err.(ValidationError)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4361335\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : wangwenfan <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @rrfeng \u521a\u521a\u8f6c\u4e86\uff0c\u4f46\u662f\u5f97\u5230\u7684\u662f false\uff0c<br \/>![Screenshot_2.png]( <img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/12\/20201130_5fc53fa6a9f1c.jpg\" rel=\"noreferrer\" referrerpolicy=\"no-referrer\" alt=\"\u95ee\u4e00\u4e2a golang \u4e2d interface \u95ee\u9898\"> )                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4361336\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Mark3K <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wangwenfan \u770b\u770b\u662f\u4e0d\u662f\u8f6c\u9519\u4e86\u7c7b\u578b: *jwt.ValidationError                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4361337\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : wangwenfan <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @baiyi @rrfeng\uff0c\u5df2\u89e3\u51b3\uff0c\u611f\u8c22\uff0c\u9700\u8981\u4f20 *ValidationError                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u4e00\u4e2a golang \u4e2d inte&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/210273"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=210273"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/210273\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=210273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=210273"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=210273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}