/** 添加表达式,匹配操作符 "like". */
 public Condition addLike(final ColumnField<?> columnField, String value) {
   return add(Restrict.like(columnField.getFieldName(), value));
 }
 /** 添加表达式,匹配操作符 "like". */
 public Condition addLike(final String propertyName, String value) {
   return add(Restrict.like(propertyName, value));
 }