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Flutter 如何在dart中删除字符串中最后一个字符?_Flutter_Dart_Backspace - Fatal编程技术网

Flutter 如何在dart中删除字符串中最后一个字符?

Flutter 如何在dart中删除字符串中最后一个字符?,flutter,dart,backspace,Flutter,Dart,Backspace,我想从字符串中删除一个字符,比如说stringa=“Something”这里,我想创建一个返回“Somethin”的函数。请帮助。检查String.substring()检查String.substring() void removeLastString() { String str = "Something"; String result = str.substring(0, str.length - 1); print(result); }

我想从字符串中删除一个字符,比如说
stringa=“Something”
这里,我想创建一个返回“Somethin”的函数。请帮助。

检查
String.substring()
检查
String.substring()
void removeLastString() {
  String str = "Something";
  String result = str.substring(0, str.length - 1);
  print(result);
}