Hibernate notes: 3. Data Retrieval criteria query usage (same effect as query)

Session session =NewConfiguration (). Configure (). buildsessionfactory (). opensession ();

Criteria CRI = session. createcriteria (person.Class);

// CRI. Add (expression. eq ("ID", 3 ));

CRI. Add (expression.EQ("Name", "Li Si"); // equals the relationship

List all = CRI. List ();

If(ALL. Size ()> 0 ){

Person per = (person) all. Get (0 );

System.Out. Println (Per. getname () + "-->" + per. getsex ());

}

 

 

Session session =NewConfiguration (). Configure (). buildsessionfactory (). opensession ();

Criteria CRI = session. createcriteria (person.Class);

// CRI. Add (expression. gt ("Age", 25); // query results with an age greater than 25

// CRI. Add (expression. LT ("Age", 25); // if the age is less than 25, the query Le is <= gt Yes> =

// CRI. Add (expression. Between ("Age", 25, 35); // the ages between 25 and 35 include 25, 35

CRI. Add (expression.Like("Name", "% 1%"); // list all = CRI. List ();

Iterator iter = all. iterator ();

While(ITER. hasnext ()){

Person per = (person) ITER. Next ();

System.Out. Println (Per. getname () + "-->" + per. getsex () + "-->" + per. getage ());

}