java替换指定范围内的字符串

/**
* 替换指定范围内的字符串
* @param start    开始索引
* @param end      结束索引
* @param source   原始字符串
* @param replaceStr 替换字符串
* @return
*/
public static String replaceByIndexs(int start,int end,String source,String replaceStr){
String returnString =source;
if(source!=null && source.length()>0){
String headString=source.substring(0,start-1);
String contentString=replaceStr;
String tailsString=source.substring(end+1,source.length());
return headString+contentString+tailsString;
}
return returnString;
}