/*!

* @brief 把格式化的JSON格式的字符串转换成字典

* @param jsonString JSON格式的字符串

* @return 返回字典

*/

+ (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonString {

if (jsonString == nil) {

return nil;

}

NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];

NSError *err;

NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData

options:NSJSONReadingMutableContainers

error:&err];

if(err) {

NSLog(@"json解析失败：%@",err);

return nil;

}

return dic;

}