NSDictionary *lginDic = params[@"msg"];
NSDictionary *codeDic = params[@"code"];
NSLog(@"msg的值为:%@",lginDic);
NSLog(@"code=%@",codeDic);
float value =[params[@"code"]floatValue];
NSLog(@"%f",value);
Objective-C字典操作示例
NSDictionary *lginDic = params[@"msg"];
NSDictionary *codeDic = params[@"code"];
NSLog(@"msg的值为:%@",lginDic);
NSLog(@"code=%@",codeDic);
float value =[params[@"code"]floatValue];
NSLog(@"%f",value);

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