当我检索JSONResponse
时,我会检索显示为0.2434309606330154的数字。这是我想要的数字,但它不是我想要的格式。它的设置方式与其他三个响应相等,即1。
我尝试将其转换为NSNumber
,但它无效。
NSDictionary *parameters = @{
@"data": text.text,
};
NSMutableString *parameterString = [NSMutableString string];
for (NSString *key in [parameters allKeys]) {
if ([parameterString length]) {
[parameterString appendString:@"&"];
}
[parameterString appendFormat:@"%@=%@", key, parameters[key]];
}
NSLog(@"A: %@", jsonResponse[@"results"][@"A"]);
ALabel.text = [NSString stringWithFormat:@"%@",jsonResponse[@"results"][@"A"]];
答案 0 :(得分:1)
NSString *string = [NSString stringWithFormat:@"%@",jsonResponse[@"results"][@"A"]];
CGFloat float = [string floatValue];
ALabel.text = [NSString stringWithFormat:@"%.02f",float];
在Swift 1.2中:
self.ALabel?.text = NSString(format: "%.02f%%", string.floatValue) as String
答案 1 :(得分:0)
NSString *string = [NSString stringWithFormat:@"%@",jsonResponse[@"results"][@"A"]];
ALabel.text = [NSString stringWithFormat:@"%.02f%%",string.floatValue];
此处输出为 - 0.24%