java代碼調用oracle存儲過程

一、簡介

　　與調用mysql存儲過程類型過程都是如下

　　1、創建連接 Connection conn = DriverManager.getConnection(url, user, password);

　　2、創建CallableStatement CallableStatement statement = conn.prepareCall(sql);

　　3、設置參數

　　　　statement.setInt(1, id);
　　　　statement.registerOutParameter(2, Types.VARCHAR);
　　　　statement.registerOutParameter(3, Types.INTEGER);
　　　　statement.registerOutParameter(4, Types.VARCHAR);

 　　4、執行

　　　　statement.execute(); 或 statement.executeUpdate();

　　5、獲取返回

　　　　int age = statement.getInt(3);

　　只是oracle存儲過程有的結果集是以游標的方式返回，此時我們需要調用ResultSet rs = (ResultSet) statement.getObject(1);方法回去結果集

二、代碼

　　以下存儲過程表結構如下：

DROP TABLE person ;
CREATE TABLE person (
id NUMBER(11) NOT NULL ,
username VARCHAR2(255 ) NULL ,
age NUMBER(11) NULL ,
password VARCHAR2(255) NULL ,
PRIMARY KEY (id)
)

　　1、查詢所有記錄

　　存儲過程代碼如下：

create or replace procedure pro_person_findall(
       p_cursor out pkg_const.r_cursor
)
is
begin
  open p_cursor for
  select *  from person;
  exception
  when others then
    DBMS_OUTPUT.PUT_LINE('獲取信息發生錯誤');
end pro_person_findall;

　　調用代碼如下

public static void findAll() {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@127.0.0.1:1521:wuxx";
        String user = "wuxx";
        String password = "wuxx";
        try {
            Class.forName(driver);
            Connection conn = DriverManager.getConnection(url, user, password);
            String sql = "{call pro_person_findall2(?)}";
            CallableStatement statement = conn.prepareCall(sql);
            statement.registerOutParameter(1, oracle.jdbc.OracleTypes.CURSOR);
            statement.execute();
            ResultSet rs = (ResultSet) statement.getObject(1);
            ResultSetMetaData rmd = rs.getMetaData();
            System.out.print(rmd.getColumnName(1) + "    ");
            System.out.print(rmd.getColumnName(2) + "    ");
            System.out.print(rmd.getColumnName(3) + "    ");
            System.out.print(rmd.getColumnName(4) + "\n");
            while (rs.next()) {
                System.out.print(rs.getInt("id") + "    ");
                System.out.print(rs.getString("username") + "    ");
                System.out.print(rs.getInt("age") + "    ");
                System.out.print(rs.getString("password") + " \n");
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

　　2、查詢一條記錄

　　存儲過程如下

CREATE OR REPLACE PROCEDURE PRO_PERSON_FINDBYID(
    v_id IN NUMBER,
    v_username    OUT    VARCHAR2,
    v_age    OUT    NUMBER,
    v_password OUT    VARCHAR2,
   p_count out number
)
AS 
BEGIN
    SELECT username, age, password INTO v_username, v_age, v_password  from person where id = v_id;
  p_count := 1; 
  exception
    when others then
    p_count := 0;
END;

　　調用代碼如下：

public static void find(Integer id) {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@127.0.0.1:1521:wuxx";
        String user = "wuxx";
        String password = "wuxx";
        try {
            Class.forName(driver);
            Connection conn = DriverManager.getConnection(url, user, password);
            String sql = "{call PRO_PERSON_FINDBYID(?,?,?,?,?)}";
            CallableStatement statement = conn.prepareCall(sql);
            BigDecimal rid = new BigDecimal(id);
            statement.setInt(1, id);
            statement.registerOutParameter(2, oracle.jdbc.OracleTypes.VARCHAR);
            statement.registerOutParameter(3, oracle.jdbc.OracleTypes.NUMBER);
            ; //
            statement.registerOutParameter(4, oracle.jdbc.OracleTypes.VARCHAR);
            statement.registerOutParameter(5, oracle.jdbc.OracleTypes.NUMBER);
            statement.execute();
            int flag = statement.getInt(5);
            if (flag != 0)
                System.out.println(statement.getString(2) + "  "
                        + statement.getInt(3) + "  " + statement.getString(4));
            else
                System.out.println("data not found!");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

　　3、增加記錄

　　存儲過程代碼如下：

create or replace procedure pro_person_insert(
       p_id number,
       p_username varchar2,
       p_age number,
       p_password varchar2,
       p_count out number
)
is
begin
   insert into person (id, username, age, password) values(p_id, p_username, p_age, p_password);
   p_count := SQL%ROWCOUNT;  -- SQL%ROWCOUNT為 隱士游標的屬性
   commit;
   exception
     when others then
     p_count := 0;
end pro_person_insert;

　　調用代碼如下：

public static void add(Integer id, String username, int age,
            String u_password) {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@127.0.0.1:1521:wuxx";
        String user = "wuxx";
        String password = "wuxx";
        try {
            Class.forName(driver);
            Connection conn = DriverManager.getConnection(url, user, password);
            String sql = "{call pro_person_insert(?,?,?,?,?)}";
            CallableStatement statement = conn.prepareCall(sql);
            statement.setInt(1, id);
            statement.setString(2, username);
            statement.setInt(3, id);
            statement.setString(4, u_password);
            statement.registerOutParameter(5, oracle.jdbc.OracleTypes.NUMBER);// 增加記錄是否成功的標記,1 成功，0失敗
            statement.execute();
            System.out.println(statement.getInt(5));
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

　　4、更新記錄

　　存儲過程代碼如下：

create or replace procedure pro_person_update(
       p_id number,
       p_age number,
       p_password varchar2,
       p_count out number
)
is
begin
  update person set age = p_age, password = p_password where id = p_id;
  p_count := SQL%ROWCOUNT;
  commit;
  exception
    when no_data_found then
      p_count := 0;
    when others then
      p_count := -1;
end pro_person_update;

　　調用代碼如下：

public static void update(Integer id, int age, String u_password) {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@127.0.0.1:1521:wuxx";
        String user = "wuxx";
        String password = "wuxx";
        try {
            Class.forName(driver);
            Connection conn = DriverManager.getConnection(url, user, password);
            String sql = "{call pro_person_update(?,?,?,?)}";
            CallableStatement statement = conn.prepareCall(sql);
            statement.setInt(1, id);
            statement.setInt(2, age);
            statement.setString(3, u_password);
            statement.registerOutParameter(4, oracle.jdbc.OracleTypes.NUMBER);// 增加記錄是否成功的標記
            statement.execute();
            System.out.println(statement.getInt(4));
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

　　5、刪除記錄

　　存儲過程代碼如下：

create or replace procedure pro_person_delete(
       p_id number,
       p_count out number
)
is
begin
  delete from person where id = p_id;
  p_count := SQL%ROWCOUNT;
  commit;
  exception
    when no_data_found then
      p_count := 0;
    when others then
      p_count := -1;
end pro_person_delete;

　　調用代碼如下：

public static void delete(Integer id) {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@127.0.0.1:1521:wuxx";
        String user = "wuxx";
        String password = "wuxx";
        try {
            Class.forName(driver);
            Connection conn = DriverManager.getConnection(url, user, password);
            String sql = "{call pro_person_delete(?,?)}";
            CallableStatement statement = conn.prepareCall(sql);
            statement.setInt(1, id);
            statement.registerOutParameter(2, oracle.jdbc.OracleTypes.NUMBER);// 增加記錄是否成功的標記
            statement.execute();
            System.out.println(statement.getInt(2));
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }