JSON的value中有未转义的双引号如何解析

Question

这是微信公众号历史文章返回的json, general_msg_list的值是另一个json，但这里面的title的值有时候会有未转义的双引号（在 \"title\":\"这些食物吃一口胖"十斤"！想瘦的人千万别碰！已中枪...\ 十斤两边的双引号就没有转义），直接使用 JSON.parse会报错

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source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz\\\/2ddLoGJ1qysj944WBP57yq34ibViahRicrofPcPB4Wia3Eo5jaTebBgIOgB9zLWenHkWRWs8uMib9fDtFgIGM5uq4ZA\\\/640?\",\"author\":\"\",\"copyright_stat\":100,\"del_flag\":1}],\"author\":\"\"}},{\"comm_msg_info\":{\"id\":1000000335,\"type\":49,\"datetime\":1500855903,\"fakeid\":\"2395000326\",\"status\":2,\"content\":\"\"},\"app_msg_ext_info\":{\"title\":\"录取通知书：从此后，父母只剩背影，故乡只有夏冬\",\"digest\":\"愿出征青春的少年，在岁月的磨砺中，渐渐学会转身靠近那孤独守望的背影\",\"content\":\"\",\"fileid\":502292367,\"content_url\":\"http:\\\/\\\/mp.weixin.qq.com\\\/s?__biz=MjM5NTAwMDMyNg==&mid=2649776017&idx=1&sn=ea4b1687db39bd0e345c2cc11d3107bf&chksm=befbc6f8898c4fee3ad2314ca26355e54f2df52749e2aed2a17f0f6bf8b32a265f3e115a1d2d&scene=27#wechat_redirect\",\"source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz_jpg\\\/0fQCZcUGL0aKsAANASanZ64MlvbiaPGHY2ndnC35vVbqa6S7OibEym19ibzI502tHFYM2nYV8kQUMsVAZSnrv21rA\\\/0?wx_fmt=jpeg\",\"subtype\":9,\"is_multi\":1,\"multi_app_msg_item_list\":[{\"title\":\"这些食物吃一口胖"十斤"！想瘦的人千万别碰！已中枪...\",\"digest\":\"一定要保持理智，绕过下面这些“美味”\",\"content\":\"\",\"fileid\":0,\"content_url\":\"http:\\\/\\\/mp.weixin.qq.com\\\/s?__biz=MjM5NTAwMDMyNg==&mid=2649776017&idx=2&sn=c69cae08ff1b6c794fd649ef1f36468b&chksm=befbc6f8898c4fee6d2010a8add6eafc0b2cd8f52751c26226e1638c929a9c4561c0d243e9f6&scene=27#wechat_redirect\",\"source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz_png\\\/H189grr9CD2gicjLJ3nOsjPCT4SP8OIH2gDsTHPDm4pZRmEUgiaiaoKnyX71n8BtbNQx0xiaWGXwa2QiadShkr1l89g\\\/640.png?\",\"author\":\"\",\"copyright_stat\":100,\"del_flag\":1}],\"author\":\"\",\"copyright_stat\":100,\"del_flag\":1,\"item_show_type\":0}},{\"comm_msg_info\":{\"id\":1000000334,\"type\":49,\"datetime\":1500770505,\"fakeid\":\"2395000326\",\"status\":2,\"content\":\"\"},\"app_msg_ext_info\":{\"title\":\"日销3000+份，风靡全国的网红甜品终于来扬州了，还有免费送！\",\"digest\":\"你确定，你不收下这份甜品？\",\"content\":\"\",\"fileid\":0,\"content_url\":\"http:\\\/\\\/mp.weixin.qq.com\\\/s?__biz=MjM5NTAwMDMyNg==&mid=2649776013&idx=1&sn=70d58e8a470e42008a4b10075d9b9406&chksm=befbc6e4898c4ff2f6557f347e324cd9438f4a01354cfd23f72b7f033c03315e268958a62037&scene=27#wechat_redirect\",\"source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz_png\\\/pA9H9f6YbNy5br7f6twAFfSLuiaOXgS8So5Yqe5IA4WR65MoEFViamn2JOEtBzq78DCDZxUwicShD65yxO0lKHyrA\\\/0.gif?tp=webp&wxfrom=5&wx_lazy=1\",\"subtype\":9,\"is_multi\":0,\"multi_app_msg_item_list\":[],\"author\":\"\",\"copyright_stat\":100,\"del_flag\":1,\"item_show_type\":0}},{\"comm_msg_info\":{\"id\":1000000333,\"type\":49,\"datetime\":1500685568,\"fakeid\":\"2395000326\",\"status\":2,\"content\":\"\"},\"app_msg_ext_info\":{\"title\":\"“我妈让我不要嫁给扬州人，原因居然是……”\",\"digest\":\"这也太奇葩了吧！闺蜜开始列举男朋友的种种大吐苦水……\",\"content\":\"\",\"fileid\":0,\"content_url\":\"http:\\\/\\\/mp.weixin.qq.com\\\/s?__biz=MjM5NTAwMDMyNg==&mid=2649775996&idx=1&sn=b9288590e69f7aca6a86a3db160a3414&chksm=befbc615898c4f03a5dd20450648fdf34afbe45565960192e4960b89d4ceea2849d40ac02041&scene=27#wechat_redirect\",\"source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz_png\\\/rOsne2CkbzGnialOPrJMIIf4xdQTyxRAiah4KqicL4XeBTuuCphx3AlhCquoQNicuvDdRIJbr3VibYPic8Vpmia0f5AJQ\\\/640\",\"subtype\":9,\"is_multi\":0,\"multi_app_msg_item_list\":[],\"author\":\"\",\"copyright_stat\":100,\"del_flag\":1,\"item_show_type\":0}},{\"comm_msg_info\":{\"id\":1000000332,\"type\":49,\"datetime\":1500607524,\"fakeid\":\"2395000326\",\"status\":2,\"content\":\"\"},\"app_msg_ext_info\":{\"title\":\"疯狂！扬州要开“儿童音乐节”？爸妈都在狂抢票！福利来啰……\",\"digest\":\"专属孩子的音乐盛典，可以听、可以看、可以摸\",\"content\":\"\",\"fileid\":502292339,\"content_url\":\"http:\\\/\\\/mp.weixin.qq.com\\\/s?__biz=MjM5NTAwMDMyNg==&mid=2649775988&idx=1&sn=b55a7f7dab9ac8dce7da0edaf6423e2c&chksm=befbc61d898c4f0be2f54378bdfd2aa4332f0e01098d0998c8bcf79cb636f861487187895620&scene=27#wechat_redirect\",\"source_url\":\"\",\"cover\":\"http:\\\/\\\/mmbiz.qpic.cn\\\/mmbiz_jpg\\\/0fQCZcUGL0bmB0nvlZcxpanbEfuVWxDbZoqCmc6ic35WrjkiaRmN3A68abjVWqDhQqk7gfYyWrTlarYZEBFGQGBw\\\/0?wx_fmt=jpeg\",\"subtype\":9,\"is_multi\":0,\"multi_app_msg_item_list\":[],\"author\":\"\",\"copyright_stat\":101,\"del_flag\":1,\"item_show_type\":0}},{\"comm_msg_info\":{\"id\":1000000331,\"type\":49,\"datetime\":1500509580,\"fakeid\":\"2395000326\",\"status\":2,\"content\":\"\"},\"app_msg_ext_info\":{\"title\":\"增加500张！扬州冰雪迪士NI 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返回的数据中的title中的双引号其实是html实体，被我decode了，才回变成这样了，见笑了???

Answer 1

parse之前先做个处理吧，可以用正则所有的 \" 都替换成 " , 然后再把所有的" 替换成 \"转义就可以了，这样也可以避免后期第三方提供的json有类似的问题

Answer 2

这样没毛病

{
    "ret": 0,
    "errmsg": "ok",
    "msg_count": 10,
    "can_msg_continue": 0,
    "general_msg_list": 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}

问题出在 “十斤” 这里

把他的双引号去掉就OK了

Answer 3

十斤两边的双引号没有转义，那就是一个错误的json的，不符合json格式
1.将十斤两边的双引号转义 2.去掉那个英文双引号 3.换成中文双引号“”