kristain

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example Class 使用(可以使用逻辑运算的结合律简化where条件)

代码:
TestTableExample example = new TestTableExample();
example.createCriteria().andField1EqualTo(5);

产生条件:

where field1 = 5

代码:

TestTableExample example = new TestTableExample();

example.createCriteria()
.andField1EqualTo(5)
.andField2IsNull();

example.or(example.createCriteria()
.andField3NotEqualTo(9)
.andField4IsNotNull());

List<Integer> field5Values = new ArrayList<Integer>();
field5Values.add(8);
field5Values.add(11);
field5Values.add(14);
field5Values.add(22);

example.or(example.createCriteria()
.andField5In(field5Values));

example.or(example.createCriteria()
.andField6Between(3, 7));

产生条件:

where (field1 = 5 and field2 is null)
or (field3 <> 9 and field4 is not null)
or (field5 in (8, 11, 14, 22))
or (field6 between 3 and 7)



posted on 2012-01-20 08:30  kristain  阅读(2187)  评论(0编辑  收藏  举报