String strTest = "000027"; //字符串
int i_m = Integer.parseInt(strTest); //先转int类型...拿到27
String str_m = String.valueOf(i_m);//变成"27"字符串
String str = "000000"; //定义流水号长度...
//做加一操作 (6-str_m.length()是定义的流水号长度)
str_m = str.substring(0, 6 - str_m.length()) + str_m;
System.out.println(str_m);
流水号加1
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转载自blog.csdn.net/qq_39071667/article/details/83345083
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