多条件查询

public List<Student> selall(Student student) {
		List<Student> li;
		String sql="select * from stu_table where 1=1 ";
		if(student.getStuID()!=0){
			sql+=" and stuID like '%"+student.getStuID()+"'";
		}
		if(student.getStuSN()!=null && !(student.getStuSN().equals(""))){
			sql+=" and stuSN like '%"+student.getStuSN()+"'";
		}
		if(student.getStuName()!=null&& !(student.getStuName().equals(""))){
			sql+=" and stuName like '%"+student.getStuName()+"'";
		}
		 if(student.getStuSex()!=null && !(student.getStuSex().equals(""))){
			 sql+=" and stuSex like '%"+student.getStuSex()+"'";
		 }
		System.out.println(sql);

		
		 li=this.getJdbcTemplate().query(sql, new RowMapper(){

				
				public Object mapRow(ResultSet res, int arg1) throws SQLException {
					Student student=new Student();
					student.setParentid(res.getInt("parentid"));
					student.setPersonID(res.getString("personID"));
					student.setStrongSuit(res.getString("strongSuit"));
					student.setStuAge(res.getInt("stuAge"));
					student.setStuBirthDate(res.getDate("stuBirthDate"));
					student.setStuBirthPlace(res.getString("stuBirthPlace"));
					student.setStuBlood(res.getString("stuBlood"));
					student.setStuID(res.getInt("stuID"));
					student.setStuName(res.getString("stuName"));
					student.setStuNum(res.getString("stuNum"));
					student.setStuSex(res.getString("stuSex"));
					student.setStuSN(res.getString("stuSN"));
					return student;
				}
				
				
				
			});
	return li;
	}