JAVA调用增删改的存储过程

CREATE OR REPLACE PROCEDURE stu_proc(v_id IN NUMBER, v_name IN VARCHAR2, v_age IN NUMBER) AS
BEGIN
INSERT INTO student(id, sname, age) values (v_id, v_name, v_age);
commit;
END;

package com.ljq.test;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;

public class ProceTest {

public static void main(String[] args) throws Exception {
Connection conn = null;
CallableStatement statement = null;
String sql = "{call stu_proc(?, ?, ?)}";
try {
conn = ConnUtils.getConnection();
statement = conn.prepareCall(sql);
statement.setInt(1, 6);
statement.setString(2, "laoli");
statement.setInt(3, 45);
//如果第一个结果是ResultSet对象，则返回true；如果第一个结果是更新、添加、修改或者没有结果，则返回 false
boolean issuccess=statement.execute();
//成功返回true，失败返回false
System.out.println(issuccess);
} catch (SQLException e) {
e.printStackTrace();
} finally {
ConnUtils.free(null, statement, conn);
}
}

}

CREATE OR REPLACE PROCEDURE stu_proc(v_id IN NUMBER, v_msg OUT VARCHAR2) IS
v_flag NUMBER:=1;
BEGIN
SELECT o.id INTO v_flag FROM student o WHERE o.id=v_id;
DELETE FROM student o WHERE o.id=v_flag;
commit;
v_msg:='删除成功';
EXCEPTION
WHEN OTHERS THEN v_msg:='删除失败';
END;

package com.ljq.test;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Types;

public class ProceTest {

public static void main(String[] args) throws Exception {
Connection conn = null;
CallableStatement statement = null;
String sql = "{call stu_proc(?, ?)}";
try {
conn = ConnUtils.getConnection();
statement = conn.prepareCall(sql);
statement.setInt(1, 4);
statement.registerOutParameter(2, Types.VARCHAR);
statement.execute();
String msg=statement.getString(2);
System.out.println(msg);
} catch (SQLException e) {
e.printStackTrace();
} finally {
ConnUtils.free(null, statement, conn);
}
}

}

CREATE OR REPLACE PROCEDURE stu_proc
(
v_id IN NUMBER,
v_name IN VARCHAR2,
v_msg OUT VARCHAR2
) AS
v_flag number;
BEGIN
SELECT o.id INTO v_flag FROM student o WHERE o.id=v_id;
UPDATE student o SET o.sname=v_name WHERE o.id=v_id;
commit;
v_msg:='修改成功';
EXCEPTION
WHEN OTHERS THEN v_msg:='修改失败';
END;

package com.ljq.test;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Types;

public class ProceTest {

public static void main(String[] args) throws Exception {
Connection conn = null;
CallableStatement statement = null;
String sql = "{call stu_proc(?, ?, ?)}";
try {
conn = ConnUtils.getConnection();
statement = conn.prepareCall(sql);
statement.setInt(1, 3);
statement.setString(2, "laoli");
statement.registerOutParameter(3, Types.VARCHAR);
statement.execute();
String msg=statement.getString(3);
System.out.println(msg);
} catch (SQLException e) {
e.printStackTrace();
} finally {
ConnUtils.free(null, statement, conn);
}
}

}   /article/4620931.html