iOS把数组转化成字符串 字符串转化为数组 数组元素替换
- 作者: 温凉盏
- 来源: 51数据库
- 2022-08-17
//字符串转变为数组1
NSMutableString * str=[[NSMutableString alloc]initWithFormat:@"1,1,1,1,1,1"];
//字符串转变为数组2
NSMutableArray * array=[NSMutableArray arrayWithArray:[str componentsSeparatedByString:@","]];
//替换数组中的某个值
[array replaceObjectAtIndex:4 withObject:@"2"];
//把数组转换成字符串
NSString *ns=[array componentsJoinedByString:@","];
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