/**
* 对字符串处理:将指定位置到指定位置的字符以星号代替
*
* @param content
* 传入的字符串
* @param begin
* 开始位置
* @param end
* 结束位置
* @return
*/
private static String getStarString(String content, int begin, int end) {
if (begin >= content.length() || begin < 0) {
return content;
}
if (end >= content.length() || end < 0) {
return content;
}
if (begin >= end) {
return content;
}
String starStr = "";
for (int i = begin; i < end; i++) {
starStr = starStr + "*";
}
return content.substring(0, begin) + starStr + content.substring(end, content.length());
}
/**
* 对字符加星号处理：除前面几位和后面几位外，其他的字符以星号代替
*
* @param content
* 传入的字符串
* @param frontNum
* 保留前面字符的位数
* @param endNum
* 保留后面字符的位数
* @return 带星号的字符串
*/
private static String getStarString2(String content, int frontNum, int endNum) {
if (frontNum >= content.length() || frontNum < 0) {
return content;
}
if (endNum >= content.length() || endNum < 0) {
return content;
}
if (frontNum + endNum >= content.length()) {
return content;
}
String starStr = "";
for (int i = 0; i < (content.length() - frontNum - endNum); i++) {
starStr = starStr + "*";
}
return content.substring(0, frontNum) + starStr
+ content.substring(content.length() - endNum, content.length());
}
