//把json字符串转换为Json对象的方法
-(NSDictionary*)dictionaryWithJsonString:(NSString*)jsonString {
if(jsonString ==nil) {
returnnil;
}
NSData*jsonData = [jsonStringdataUsingEncoding:NSUTF8StringEncoding];
NSError*err;
NSDictionary*dic = [NSJSONSerializationJSONObjectWithData:jsonData
options:NSJSONReadingMutableContainers
error:&err];
if(err) {
NSLog(@"json解析失败：%@",err);
returnnil;
}
NSMutableDictionary*newdict=[[NSMutableDictionaryalloc]init];
for(NSString*keysindic)
{
if(dic[keys]==[NSNullnull])
{
[newdictsetObject:@" "forKey:keys];
continue;
}
[newdictsetObject:[NSStringstringWithFormat:@"%@",dic[keys]]forKey:keys];
}
returnnewdict;
}
