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我從後臺獲取數據轉換一個JSON字符串後iOS版 - 十進制值變成JSON對象
NSString * jsonStr = data[@"result"];
NSData * jsonData = [jsonStr dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary * dic = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:nil];
這是JsonStr:
{"id":2,"name":"輪胎式起重機","brand":"中聯","type":"QY130","weight":130.0,"isValid":"1","ext1":65.9,"ext2":34.6,"ext3":100.6,"ext4":75.0,"ext5":65805.0,"createTime":"2016-07-20 10:58:09"}
在JsonStr價值爲@「EXT1 「是65.9,但之後的JSONObject價值成爲1965 0.90000000000001'
這是DIC:
{
brand = "\U4e2d\U8054";
createTime = "2016-07-20 10:58:09";
ext1 = "65.90000000000001";
ext2 = "34.6";
ext3 = "100.6";
ext4 = 75;
ext5 = 65805;
id = 2;
isValid = 1;
name = "\U8f6e\U80ce\U5f0f\U8d77\U91cd\U673a";
type = QY130;
weight = 130;
}
這個數據有什麼問題?
我使用'ext1'爲TextField文本'mainLengthText.text = [NSString的stringWithFormat:@ 「%@」,DIC [@ 「EXT1」]]' – Cheng
@Cheng'NSString * ext1 = [NSString stringWithFormat:@「%@」,@([dic [@「ext1」] floatValue])];' – Catoshi
謝謝,它可以顯示正確的值,但是什麼導致了dic值65 0.900000000001? – Cheng