package chang;???????????????????????????????????????????????? //??? 一個插入操作在兩行 * 號之間 應該是插入有問題?? 不知道問題出在哪，其他刪除，更新都可以實現(xiàn)。求教。。

import java.sql.*;

import java.io.*;

public class cha

{

public static void xianlu()

{

System.out.println("線路號"+"\t"+ "出發(fā)地"+"\t"+"目的地"+"\t"+"出發(fā)時間"+"\t"+"所需時間");

}

public static void qiche()

{

System.out.println("汽車編號"+"\t"+"汽車種類"+"\t"+"最大載客量"+"\t"+"線路號");

}

public static void gg()

{

System.out.println("公告編號"+"\t公告內(nèi)容"+"\t公告時間"+"\t通知人");

}

public static void hy()

{

System.out.println("會議編號"+"會議內(nèi)容"+"\t會議時間"+"\t參會人"+"\t\t記錄人");

}

public static void main(String[]args) throws SQLException

{

Connection con = null;

Statement stmt = null;

String url = "jdbc:sqlserver://localhost:1433;DatabaseName=changtuqiche";

try {

// 連接數(shù)據(jù)庫

con = DriverManager.getConnection(url, "sa", "1");

// 建立Statement對象

stmt = con.createStatement();

/**

* Statement createStatement() 創(chuàng)建一個 Statement 對象來將 SQL 語句發(fā)送到數(shù)據(jù)庫。

*/

// 執(zhí)行數(shù)據(jù)庫查詢語句

int z=1;

while(z!=0)

{

System.out.println("1.查詢2.插入3.更新4.刪除");

System.out.println("請選擇：");

int x=0;

try

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

x=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(x==5)? z=0;

if(x==1)

{

System.out.println("1.線路信息查詢2.汽車信息查詢3.車票信息查詢");

System.out.println("請選擇：");

int i=0;

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

i=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(i==1)

{

@SuppressWarnings("null")

ResultSet rs1=stmt.executeQuery("select 線路號,出發(fā)地,目的地,出發(fā)時間,所需時間? from 線路信息表");

xianlu();

while(rs1.next())

{

String a=rs1.getString("線路號");

String b=rs1.getString("出發(fā)地");

String c=rs1.getString("目的地");

String d=rs1.getString("出發(fā)時間");

int e1=rs1.getInt("所需時間");

System.out.println(a+b+"\t"+c+"\t"+d+"\t"+e1);

}

rs1.close();

}

if(i==2)

{

@SuppressWarnings("null")

ResultSet rs=stmt.executeQuery("select 汽車編號,汽車種類,最大載客量,線路號? from 汽車基本信息表");

qiche();

while(rs.next())

{

String a=rs.getString("汽車編號");

String b=rs.getString("汽車種類");

int c=rs.getInt("最大載客量");

String d=rs.getString("線路號");

System.out.println(a+"\t\t"+b+"\t\t"+c+"\t"+d);

}

rs.close();

}

if(i==3)

{

@SuppressWarnings("null")

ResultSet rs=stmt.executeQuery("select 車票編號,售票情況,售價,線路號 from 車票信息表");

chepiao();

while(rs.next())

{

int a=rs.getInt("車票編號");

String b=rs.getString("售票情況");

int c=rs.getInt("售價");

String d=rs.getString("線路號");

System.out.println(a+"\t"+b+"\t"+c+"\t"+d);

}

rs.close();

}

if(i==4)

{

@SuppressWarnings("null")

ResultSet rs=stmt.executeQuery("select 汽車編號,出發(fā)地,目的地,線路號，出發(fā)時間 from 乘客信息表");

chengke();

while(rs.next())

{

int a=rs.getInt("汽車編號");

String b=rs.getString("出發(fā)地");

int c=rs.getInt("目的地");

String d=rs.getString("線路號");

String e=rs.getString("出發(fā)時間 ");

System.out.println(a+"\t"+b+"\t"+c+"\t"+d+"\t"+e);

}

rs.close();

}

}

if(x==2)?????????????????????????????????/**********************************************************************/

{

System.out.println("1.線路信息插入 2.汽車信息插入 3.車票信息插入 4.乘客信息插入");

System.out.println("請選擇：");

int m=0;

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m==1){

String c1="",c2="",c3="",c4="",c5="";

//PreparedStatement pstmt1=con.prepareStatement("select * from Communication where Uname=?");

//pstmt1.setString(1,c1);

//ResultSet rs2=pstmt1.executeQuery();

System.out.println("輸入你要插入的線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c1=br.readLine();

}catch(IOException ex){}

System.out.println("c1="+c1);

System.out.println("輸入你要插入的出發(fā)地：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c2=br.readLine();

}catch(IOException ex){}

System.out.println("c2="+c2);

System.out.println("輸入你要插入的目的地：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c3=br.readLine();

}catch(IOException ex){}

System.out.println("c3="+c3);

System.out.println("輸入你要插入的出發(fā)時間：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c4=br.readLine();

}catch(IOException ex){}

System.out.println("c4="+c4);

System.out.println("輸入你要插入的所需時間：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c5=br.readLine();

}catch(IOException ex){}

System.out.println("c5="+c5);

PreparedStatement pstmt2=con.prepareStatement("insert into 線路信息表 (線路號,出發(fā)地,目的地,出發(fā)時間,所需時間)"+" values(?,?,?,?,?)");

pstmt2.setString(1,c1);

pstmt2.setString(2,c2);

pstmt2.setString(3,c3);

pstmt2.setString(4,c4);

pstmt2.setString(5,c5);

//pstmt2.executeQuery();

pstmt2.executeUpdate();

System.out.println("插入成功!");

pstmt2.close();

//pstmt1.close();

//rs2.close();

}???????????? ?????????????????????????? ? /*********************************************************************/

if(m==2){

String c1="",c2="",c3="",c4="";

//PreparedStatement pstmt1=con.prepareStatement("select * from Memo where Uname=?");

//pstmt1.setString(1,c1);

//ResultSet rs2=pstmt1.executeQuery();

System.out.println("輸入你要插入的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c1=br.readLine();

}catch(IOException ex){}

System.out.println("c1="+c1);

System.out.println("輸入你要插入的汽車：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c2=br.readLine();

}catch(IOException ex){}

System.out.println("c2="+c2);

System.out.println("輸入你要插入的最大載客量：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c3=br.readLine();

}catch(IOException ex){}

System.out.println("c3="+c3);

//ResultSet rs2=pstmt1.executeQuery();

System.out.println("輸入你要插入的線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c4=br.readLine();

}catch(IOException ex){}

System.out.println("c4="+c4);

PreparedStatement pstmt2=con.prepareStatement("insert into 汽車基本信息表 values(?,?,?,?)");

pstmt2.setString(1,c1);

pstmt2.setString(2,c2);

pstmt2.setString(3,c3);

pstmt2.setString(4,c4);

pstmt2.executeUpdate();

System.out.println("插入成功!");

pstmt2.close();

//pstmt1.close();

//rs2.close();

}

if(m==3){

String c1="",c2="",c3="",c4="";

//PreparedStatement pstmt1=con.prepareStatement("select * from Diary where Uname=?");

//pstmt1.setString(1,c1);

//ResultSet rs2=pstmt1.executeQuery();

System.out.println("輸入新的車票編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c1=br.readLine();

}catch(IOException ex){}

System.out.println("c1="+c1);

System.out.println("輸入售票情況：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c2=br.readLine();

}catch(IOException ex){}

System.out.println("c2="+c2);

System.out.println("輸入車票售價：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c3=br.readLine();

}catch(IOException ex){}

System.out.println("c3="+c3);

System.out.println("輸入該車票線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c4=br.readLine();

}catch(IOException ex){}

System.out.println("c4="+c4);

PreparedStatement pstmt2=con.prepareStatement("insert into 車票信息表 values(?,?,?,?)");

pstmt2.setString(1,c1);

pstmt2.setString(2,c2);

pstmt2.setString(3,c3);

pstmt2.setString(4,c4);

pstmt2.executeUpdate();

System.out.println("插入成功!");

pstmt2.close();

//pstmt1.close();

//rs2.close();

}

if(m==4){

String c1="",c2="",c3="",c4="",c5="";

//PreparedStatement pstmt1=con.prepareStatement("select * from Finance where Uname=?");

//pstmt1.setString(1,c1);

//ResultSet rs2=pstmt1.executeQuery();

System.out.println("輸入你要添加乘客的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c1=br.readLine();

}catch(IOException ex){}

System.out.println("c1="+c1);

System.out.println("輸入該乘客出發(fā)地：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c2=br.readLine();

}catch(IOException ex){}

System.out.println("c2="+c2);

System.out.println("輸入該乘客目的地：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c3=br.readLine();

}catch(IOException ex){}

System.out.println("c3="+c3);

System.out.println("輸入乘坐線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c4=br.readLine();

}catch(IOException ex){}

System.out.println("c4="+c4);

System.out.println("輸入乘客出發(fā)時間：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

c4=br.readLine();

}catch(IOException ex){}

System.out.println("c5="+c5);

PreparedStatement pstmt2=con.prepareStatement("insert into 乘客 values(?,?,?,?,?)");

pstmt2.setString(1,c1);

pstmt2.setString(2,c2);

pstmt2.setString(3,c3);

pstmt2.setString(4,c4);

pstmt2.setString(5,c5);

pstmt2.executeUpdate();

pstmt2.close();

System.out.println("添加成功!");

//pstmt1.close();

//rs2.close();

}

}

if(x==3)

{

System.out.println("1.線路信息修改 2.汽車信息修改 3.車票信息修改 4.乘客信息修改");

System.out.println("請選擇：");

int m=0;

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m==1){

String m11="";String m13="";int m12=0;

System.out.println("選擇你要修改的線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m11=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt31=con.prepareStatement("select * from 線路信息表 where 線路號=?");

pstmt31.setString(1,m11);

ResultSet rs3=pstmt31.executeQuery();

if(rs3.next()){

System.out.println("輸入你要修改的項：1.出發(fā)地 2.目的地 3.出發(fā)時間 4.所需時間");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m12=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m12==1){System.out.println(" 輸入你修改后的出發(fā)地:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m13=br.readLine();

}catch(IOException ex){}

pstmt31.close();

PreparedStatement pstmt3=con.prepareStatement("Update 線路信息表 set 出發(fā)地=? where? 線路號=?");

pstmt3.setString(1,m13);

pstmt3.setString(2,m11);

pstmt3.executeUpdate();

System.out.println("修改成功!");

}

if(m12==2){System.out.println(" 輸入你修改后的目的地:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m13=br.readLine();

}catch(IOException ex){}

pstmt31.close();

PreparedStatement pstmt3=con.prepareStatement("Update 線路信息表 set 目的地=? where? 線路號=?");

pstmt3.setString(1,m13);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m11);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs3.close();

//pstmt3.close();

}

if(m12==3){System.out.println(" 輸入你修改后的出發(fā)時間:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m13=br.readLine();

}catch(IOException ex){}

pstmt31.close();

PreparedStatement pstmt3=con.prepareStatement("Update 線路信息表 set 出發(fā)時間=? where 線路號=?");

pstmt3.setString(1,m13);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m11);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs3.close();

//pstmt3.close();

if(m12==4){System.out.println(" 輸入你修改后的所需時間:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m13=br.readLine();

}catch(IOException ex){}

pstmt31.close();

PreparedStatement pstmt311=con.prepareStatement("Update 線路信息表 set 所需時間=? where 線路號=?");

pstmt311.setString(1,m13);

//pstmt3.setint(2,m11);

pstmt311.setString(2,m11);

pstmt311.executeUpdate();

System.out.println("修改成功!");

rs3.close();

//pstmt3.close();

}

}

else{System.out.println("你要更改的項不存在!");}

}

if(m==2){

String m111="";String m131="";int m121=0;

System.out.println("選擇你要修改的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m111=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt311=con.prepareStatement("select * from 汽車基本信息表 where 汽車編號=?");

pstmt311.setString(1,m111);

ResultSet rs31=pstmt311.executeQuery();

if(rs31.next()){

System.out.println("輸入你要修改的項：1.汽車種類 2.最大載客量 3.線路號");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m121=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m121==1){System.out.println(" 輸入你修改后的汽車種類:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update? 汽車基本信息表 set 汽車種類=? where? 汽車編號=?");

pstmt3.setString(1,m131);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

}

if(m121==2){System.out.println(" 輸入你修改后的最大載客量:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update? 汽車基本信息表 set 最大載客量=? where? 汽車編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

//pstmt3.close();

}

if(m121==3){System.out.println(" 輸入你修改后的線路號:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update? 汽車基本信息表 set 線路號=? where 汽車編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

}

}

else{System.out.println("你要更改的項不存在!");}

}

if(m==3){

String m111="";String m131="";int m121=0;

System.out.println("選擇你要修改的車票編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m111=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt311=con.prepareStatement("select * from 車票信息表 where 車票編號=?");

pstmt311.setString(1,m111);

ResultSet rs31=pstmt311.executeQuery();

if(rs31.next()){

System.out.println("輸入你要修改的項：1.售票情況 2.售價 3.線路號");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m121=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m121==1){System.out.println(" 輸入你修改后的售票情況:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 車票信息表 set 售票情況=? where? 車票編號=?");

pstmt3.setString(1,m131);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

}

if(m121==2){System.out.println(" 輸入你修改后的售價:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 車票信息表 set 售價=? where? 車票編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

//pstmt3.close();

}

if(m121==3){System.out.println(" 輸入你修改后的線路號:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 車票信息表 set 線路號=? where 車票編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

}

}

else{System.out.println("你要更改的項不存在!");}

}

if(m==4){

String m111="";String m131="";int m121=0;

System.out.println("選擇你要修改的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m111=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt311=con.prepareStatement("select * from 乘客信息表 where 汽車編號=?");

pstmt311.setString(1,m111);

ResultSet rs31=pstmt311.executeQuery();

if(rs31.next()){

System.out.println("輸入你要修改的項：1.出發(fā)地2.目的地3.線路號 4.出發(fā)時間");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m121=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(m121==1){System.out.println(" 輸入你修改后的出發(fā)地:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 乘客信息表 set 出發(fā)地=? where? 汽車編號=?");

pstmt3.setString(1,m131);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

}

if(m121==2){System.out.println(" 輸入你修改后的目的地:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 乘客信息表 set 目的地=? where? 汽車編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

//pstmt3.close();

}

if(m121==3){System.out.println(" 輸入你修改后的線路號:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 乘客信息表 set 線路號=? where 汽車編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

}

if(m121==4){System.out.println(" 輸入你修改后的出發(fā)時間:");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

m131=br.readLine();

}catch(IOException ex){}

pstmt311.close();

PreparedStatement pstmt3=con.prepareStatement("Update 乘客信息表 set 出發(fā)時間=? where 汽車編號=?");

pstmt3.setString(1,m131);

//pstmt3.setint(2,m11);

pstmt3.setString(2,m111);

pstmt3.executeUpdate();

System.out.println("修改成功!");

rs31.close();

}

}

}

else{System.out.println("你要更改的項不存在!");}

}

}

if(x==4)

{

System.out.println("1.線路信息刪除 2.汽車信息刪除 3.車票信息刪除 4.乘客信息刪除");

System.out.println("請選擇：");

int i=0;

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

i=Integer.parseInt(br.readLine());

}catch(IOException ex){}

if(i==1){

String S1="";

System.out.println("輸入你要刪除的線路信息表中的線路號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

S1=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt2=con.prepareStatement("delete from 線路信息表 where 線路號=?");

pstmt2.setString(1,S1);

System.out.println(S1);

pstmt2.executeUpdate();

System.out.println("已刪除!");

pstmt2.close();

}

if(i==2){

String S1="";

System.out.println("輸入你要刪除的汽車信息表的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

S1=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt2=con.prepareStatement("delete from 汽車基本信息表 where 汽車編號=?");

pstmt2.setString(1,S1);

pstmt2.executeUpdate();

System.out.println("已刪除!");

pstmt2.close();

}

if(i==3){

String S1="";

System.out.println("輸入你要刪除的車票信息表的車票編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

S1=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt2=con.prepareStatement("delete from 車票信息表 where 車票編號=? ");

pstmt2.setString(1,S1);

pstmt2.executeUpdate();

System.out.println("已刪除!");

pstmt2.close();

}

if(i==4){

String S1="";

System.out.println("輸入你要刪除的乘客信息表的汽車編號：");

try{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

S1=br.readLine();

}catch(IOException ex){}

PreparedStatement pstmt2=con.prepareStatement("delete from 乘客信息表 where 汽車編號=? ");

pstmt2.setString(1,S1);

pstmt2.executeUpdate();

System.out.println("已刪除!");

pstmt2.close();

}

}

}

}catch(Exception e){

System.out.println(e);

}

}

private static void chengke() {

// TODO Auto-generated method stub

}

private static void chepiao() {

// TODO Auto-generated method stub

}

}

總結

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