Oma*_*mar 3 iphone cocoa cocoa-touch objective-c
如何使用deleteCharactersInRange删除NSMutableString的第一个字符?
drv*_*ijk 18
这不是那么难......
NSMutableString *a = [NSMutableString stringWithString:@"aString"];
NSRange range;
range.location = 0;
range.length = 1;
[a deleteCharactersInRange:range];
Run Code Online (Sandbox Code Playgroud)
您可以像这样缩短范围创建:
NSRange range = {0,1}; // edit: of course 0,1 instead of 1,0, thanks Omar
Run Code Online (Sandbox Code Playgroud)