out.print(new StringBuffer(rs.getString("mobile")).replace(3,7,"****"));
String m=rs.getString("mobile");
out.print(m.substring(0,3)+"****"+m.substring(7,11)+":");
oracle语句实现
select replace(mobile,substr(mobile,4,4),'****') from ins
out.print(new StringBuffer(rs.getString("mobile")).replace(3,7,"****"));
String m=rs.getString("mobile");
out.print(m.substring(0,3)+"****"+m.substring(7,11)+":");
select replace(mobile,substr(mobile,4,4),'****') from ins