{"id":635,"date":"2019-09-24T16:13:51","date_gmt":"2019-09-24T08:13:51","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=635"},"modified":"2019-11-24T16:14:55","modified_gmt":"2019-11-24T08:14:55","slug":"javascript-%e7%bb%93%e6%9e%84%e5%9e%8b%e6%95%b0%e6%8d%ae%e8%bd%ac","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=635","title":{"rendered":"JavaScript-\u7ed3\u6784\u578b\u6570\u636e(\u8f6c)"},"content":{"rendered":"

\u7ed3\u6784\u578b\u6570\u636e<\/strong><\/p>\n

\u6709\u5f88\u591a\u79cd\uff0c\u6bd4\u5982\u8868\u5355\uff0c\u4f46\u662f\u4e00\u5b9a\u8981\u5c3d\u91cf\u4f7f\u7528JSON\uff0c\u5c31\u662f\u597d\u7528\uff0c\u8c01\u7528\u8c01\u77e5\u9053\u3002\u8c01\u8ba9\u4f60\u4e0d\u7528JSON\uff0c\u4f60\u4eec\u786e\u5b9e\u9700\u8981\u597d\u597d\u8c08\u8c08\u4e86\u3002<\/p><\/blockquote>\n

JSON<\/h3>\n

\u975e\u5e38\u7b80\u5355\u7684\u7406\u89e3\u65b9\u5f0f\uff0c\u5f53\u505aObject\u5904\u7406\u5373\u53ef\uff0c\u6570\u636e\u7ed3\u6784\u4e0eObject\u4e00\u6a21\u4e00\u6837\uff08\u8f6c\u6362\u65f6\u5019Function\u503c\u4f1a\u4e22\u5931\uff0c\u4e0b\u9762\u4f1a\u4ecb\u7ecd\u5982\u4f55\u5904\u7406\uff09\uff0c\u5373key-value\u5f62\u5f0f\uff0c \u4f46\u662f\u6709\u4e2a\u7279\u6b8a\uff0c\u5c31\u662f\u6570\u7ec4\u4e5f\u5f53\u505a\u5408\u6cd5\u7684JSON\u7ed3\u6784\u3002<\/p>\n

\/\/ JSON<\/span>\r\n{<\/span>\r\n    key1<\/span>:<\/span> value1<\/span>,<\/span>\r\n    key2<\/span>:<\/span> value2<\/span>,<\/span>\r\n    ...<\/span>\r\n    keyn<\/span>:<\/span> valuen\r\n<\/span>}<\/span>\r\n\r\n\/\/ \u6570\u7ec4\u4e5f\u884c<\/span>\r\n[<\/span>value1<\/span>,<\/span> value2<\/span>,<\/span> value3<\/span>]<\/span><\/code><\/pre>\n
\u4ee5\u4e0avalue\u5f53\u7136\u53ef\u4ee5\u662f\u4efb\u4f55\u7c7b\u578b\uff0c\u9664\u4e86Function\uff0c\u56e0\u4e3a\u6700\u7ec8\u90fd\u662f\u8f6c\u6210\u4e86String\u7c7b\u578b\u8fdb\u884c\u4f20\u8f93\u7684\u3002<\/p>\n
\u90a3\u4e48\u5982\u679c\u4f60\u9047\u5230\u4e86\u9700\u8981\u4f20\u8f93Function\u7684\u4e1a\u52a1\uff0c\u5982\u4e0b\u5904\u7406\uff1a<\/p>\n
var<\/span> json <\/span>=<\/span> {<\/span>\r\n    a<\/span>:<\/span> 1<\/span>,<\/span>\r\n    b<\/span>:<\/span> function<\/span>()<\/span> {<\/span>\r\n        return<\/span> 'function'<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n\/\/ \u4f1a\u51fa\u73b0\u7684\u95ee\u9898<\/span>\r\n\/\/ JSON.stringify(json) \/\/ \"{\"a\":1}\"\uff0c\u51fd\u6570\u90a3\u4e2a\u4e22\u5931\u4e86\uff0c\u6ce8\u610f\u5df2\u7ecf\u8f6c\u6210\u5b57\u7b26\u4e32\u4e86<\/span>\r\n\r\n\/\/ \u5904\u7406\u65b9\u5f0f<\/span>\r\njson<\/span>.<\/span>b <\/span>+=<\/span> ''<\/span> \/\/ \u8bb0\u5f97\u4e4b\u524d\u6570\u636e\u7c7b\u578b\u65f6\u5019\u5b57\u7b26\u4e32\u52a0\u51cf\u6cd5\u4e48\uff0c\u52a0\u7a7a\u5b57\u7b26\u4e32\u76f8\u5f53\u4e8e\u5f3a\u5236\u8f6c\u4e3a\u5b57\u7b26\u4e32<\/span>\r\n\r\nJSON<\/span>.<\/span>stringify<\/span>(<\/span>json<\/span>)<\/span> \/\/ \"{\"a\":1,\"b\":\"function() {\\n        return 'function'\\n    }\"}\"\uff0c\u6210\u529f\u8f6c\u6362<\/span><\/code><\/pre>\n
JSON\u4e24\u4e2a\u5173\u952e\u65b9\u6cd5<\/p>\n\n\n\n\n\n\n
\u65b9\u6cd5<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n
stringify<\/td>\n\u5bf9\u8c61\uff08\u6216\u6570\u7ec4\uff09\u8f6c\u5b57\u7b26\u4e32<\/td>\n<\/tr>\n
parse<\/td>\n\u5b57\u7b26\u4e32\u8f6c\u5bf9\u8c61\uff08\u6216\u6570\u7ec4\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
JSON<\/span>.<\/span>stringify<\/span>([<\/span>1<\/span>])<\/span> \/\/ \"[1]\"<\/span>\r\nJSON<\/span>.<\/span>parse<\/span>(<\/span>\"[2]\"<\/span>)<\/span> \/\/ [2]<\/span><\/code><\/pre>\n
\n
\u7279\u6b8a\u7ed3\u6784<\/strong><\/p>\n
Function<\/h3>\n
\u4e25\u683c\u6765\u8bf4\uff0cFunction\u4e0d\u662f\u6570\u636e\u7ed3\u6784\uff0c\u4f46\u662f\u5b83\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7ed3\u6784\u529f\u80fd\uff0c\u6216\u8005\u5b58\u50a8\u6570\u636e\u3002\u8fd9\u91cc\u8d85\u7eb2\uff0c\u7275\u626f\u5230\u4e86\u201c\u7c7b\u201d\uff0c\u7b80\u5355\u4e86\u89e3\u5373\u53ef\u3002<\/p>\n
function<\/span> MyObj<\/span>()<\/span> {<\/span>\r\n    this<\/span>.<\/span>head <\/span>=<\/span> 'head'<\/span>\r\n    this<\/span>.<\/span>foot <\/span>=<\/span> 'foot'<\/span>\r\n    this<\/span>.<\/span>obj <\/span>=<\/span> {<\/span>a<\/span>:<\/span> 1<\/span>}<\/span>\r\n    this<\/span>.<\/span>arr <\/span>=<\/span> [<\/span>1<\/span>,<\/span>2<\/span>]<\/span>\r\n    this<\/span>.<\/span>func <\/span>=<\/span> function<\/span>()<\/span> {<\/span>\r\n        return<\/span> 'func'<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nvar<\/span> obj <\/span>=<\/span> new<\/span> myObj<\/span>()<\/span>\r\n\r\nobj<\/span>.<\/span>func <\/span>+=<\/span> ''<\/span>\r\n\r\nobj <\/span>\/\/ \"{\"head\":\"head\",\"foot\":\"foot\",\"obj\":{\"a\":1},\"arr\":[1,2],\"func\":\"function() {\\n        return 'func'\\n    }\"}\"<\/span>\r\n\r\ntypeof<\/span> obj <\/span>\/\/ \"object\"<\/span><\/code><\/pre>\n
\u4f5c\u8005\uff1a\u524d\u7aef\u7ec5\u58eb
\n\u94fe\u63a5\uff1ahttps:\/\/www.imooc.com\/article\/49594<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7ed3\u6784\u578b\u6570\u636e \u6709\u5f88\u591a\u79cd\uff0c\u6bd4\u5982\u8868\u5355\uff0c\u4f46\u662f\u4e00\u5b9a\u8981\u5c3d\u91cf\u4f7f\u7528JSON\uff0c\u5c31\u662f\u597d\u7528\uff0c\u8c01\u7528\u8c01\u77e5\u9053\u3002\u8c01\u8ba9\u4f60\u4e0d\u7528JSON\uff0c\u4f60\u4eec\u786e\u5b9e […]<\/p>\n","protected":false},"author":1,"featured_media":180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[19],"_links":{"self":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/635"}],"collection":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=635"}],"version-history":[{"count":1,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/635\/revisions"}],"predecessor-version":[{"id":636,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/posts\/635\/revisions\/636"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=\/wp\/v2\/media\/180"}],"wp:attachment":[{"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=635"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xrhoujie.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}