iOS返回的不是json格式, 是NSString

     NSDictionary *result = value[@"data"];

     if (![result isKindOfClass:[NSDictionary class]]) {

                    NSLog(@"data 不是字典");

                    if ([result isKindOfClass:[NSString class]]) {

                        NSData *data = [(NSString *)result dataUsingEncoding:NSUTF8StringEncoding];// 将数据格式转为UTF8

                        if (data) {

                            result = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:NULL];

                        } else {

                            result = @{};

                        }

                        NSLog(@"解析data: %@", result);

                    } else {

                        result = @{};

                    }

                }

// 数组里面 放了每个字典

commentlist = "[{"user_id":"1",

                              "content":"[\u998b\u5634][\u6293\u72c2]",

                              "createtime":"1970-01-01 08:00:00",

                              "realname":"\u90d1\u98de"},

                            {"user_id":"1",

 "content":"[\u563b\u563b][\u563b\u563b][\u563b\u563b]\u641e\u5b9a","createtime":"1970-01-01 08:00:00","realname":"\u90d1\u98de"},                 {"user_id":"1","content":"\u641e\u5b9a","createtime":"1970-01-01 08:00:00","realname":"\u90d1\u98de"}]";

     NSDictionary *result = value[@"data"];

     if (![result isKindOfClass:[NSDictionary class]]) {

                    NSLog(@"data 不是字典");

                    if ([result isKindOfClass:[NSString class]]) {

                        NSData *data = [(NSString *)result dataUsingEncoding:NSUTF8StringEncoding];// 将数据格式转为UTF8

         }}

    NSData *resData = [[NSData alloc] initWithData:[@"[{"user_id":"1","content":"[\u998b\u5634][\u6293\u72c2]","createtime":"1970-01-01 08:00:00","realname":"\u90d1\u98de"},{"user_id":"1","content":"[\u563b\u563b][\u563b\u563b][\u563b\u563b]\u641e\u5b9a","createtime":"1970-01-01 08:00:00","realname":"\u90d1\u98de"},{"user_id":"1","content":"\u641e\u5b9a","createtime":"1970-01-01 08:00:00","realname":"\u90d1\u98de"}]" dataUsingEncoding:NSUTF8StringEncoding]];

    

    NSMutableDictionary *detailDic;

    

    NSArray *arr = [NSJSONSerialization JSONObjectWithData:resData options:NSJSONReadingMutableLeaves error:nil];

    int count = arr.count;

    NSMutableArray *tempArray = [NSMutableArray arrayWithCapacity:count];

     for (int i = 0; i < count; i ++) {

        detailDic = [arr objectAtIndex:i];

        TestObject *testObject = [TestObject new];

        testObject.user_id = [detailDic objectForKey:@"user_id"];

        testObject.user_id = [detailDic objectForKey:@"content"];

        testObject.user_id = [detailDic objectForKey:@"createtime"];

        testObject.user_id = [detailDic objectForKey:@"realname"];

        [tempArray addObject:testObject];

    }

    

原文地址:https://www.cnblogs.com/1018475062qq/p/7019259.html