/**
* 在右边用空格字符填充以达到指定的总长度
* @param str 输入字符
* @param i 指定总长度 *必须小于17
* @return
*/
public static String padRight(String str,int i){
String[] blanks = {"", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " ", " "};
StringBuilder sb = new StringBuilder(17);
sb.append(str).append(blanks[i - str.length()]);
return sb.toString();
}
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