/*!
* @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;
}
/**
* 字段转换成json字符串
*
* @param dict <#dict description#>
*
* @return <#return value description#>
*/
+(NSString *)dictToJsonStr:(NSDictionary *)dict{
// NSMutableDictionary *dict = [NSMutableDictionary new];
// [dict setObject:@"" forKey:@"AWL_LAN"];
// [dict setObject:@"" forKey:@"AWL_LON"];
// [dict setObject:@"1" forKey:@"U_ID"];
NSString *jsonString = nil;
if([NSJSONSerialization isValidJSONObject:dict])
{
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dict options:NSJSONWritingPrettyPrinted error:&error];
jsonString =[[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
//NSLog(@"json data:%@",jsonString);
if(error) {
NSLog(@"Error:%@", error);
}
}
return jsonString;
}
