package png.houtai;
import java.util.*;
import java.sql.*;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.JspWriter;
import png.db.DB;
public class bookTag extends TagSupport {
public bookTag() {
try {
jbInit();
} catch (Exception ex) {
ex.printStackTrace();
}
}
private String page="1";
private String type;
private String id;
public void setPage(String page) {
if(page.equals("")||page.trim().length()<1)
return;
this.page = page;
}
public void setId(String id){
this.id=id;
}
public String getId(){
return id;
}
public void setType(String type) {
this.type = type;
}
public String getPage() {
return page;
}
public String getType() {
return type;
}
public int doStartTag(){
JspWriter out=pageContext.getOut();
int i=0;//环
int sumrow;//总行数
int sumye;//总页数
int yerow;//每页行数
int page;//待显示页码
yerow=4;
String strrow="";//接收intpage传来的值
String strSQL;
strrow=this.getPage();
page=Integer.parseInt(strrow);
if(page<1){
page=1;
}
try{
strSQL="select * from BookInfo";
Statement st=null;
ResultSet set=null;
Connection con=null;
DB db=new DB();
con=db.conn();
st=con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
set=st.executeQuery(strSQL);
set.last();// 光标在最后一行
sumrow=set.getRow();//每页行数
sumye=(sumrow+yerow-1)/yerow;//总页数
// 调整待显示的页码
if(page>sumye){
page=sumye;
}
out.print("<form method='get' action='/Root/shan'>");
out.print(" 第" + page + "页");
out.print(" 共" + sumye + "页");
if (page < sumye) {
out.print("<a href='/Root/Manager/gaibook.jsp?id="+id+"&page=" + (page + 1)
+ "'>下一页</a>");
}
if (page > 1) {
out.print("<a href='/Root/Manager/gaibook.jsp?id="+id+"&page=" + (page - 1)
+ "'>上一页</a>");
}
out.print("<table border='1' width='170' cellspacing='0' cellpadding='0'>");
out.print("<tr><th>选择/不选</th>");
out.print("<th>图书编号</th>");
out.print("<th>图书名称</th>");
out.print("<th>图书类型</th>");
out.print("<th>出版社名称</th>");
out.print("<th>作者名称</th>");
out.print("<th>图书介绍</th>");
out.print("<th>图书价格</th>");
out.print("<th>发行日期</th>");
out.print("<th>上架日期</th>");
out.print("<th>是否新书</th>");
out.print("<th>是否推荐</th>");
out.print("<th>图书数量</th>");
out.print("<th>修改</th>");
//out.print("<th>删除</th>");
out.print("</tr>");
if (sumye > 0) {
// 将记录指针定位到待显示页的第一条记录上
set.absolute((page - 1) * yerow + 1);
// 显示数据
i = 0;
String user_id, user_name;
// 遍历记录集,注意判断结束的方法
while (i < yerow && !set.isAfterLast()) {
// 获取记录
String BookConver=set.getString(1);
String BookId=set.getString(2);
String BookName=set.getString(3);
String BookType=set.getString(4);
String BookPubliSher=set.getString(5);
String BookAuthor=set.getString(6);
String Bookintorduce=set.getString(7);
String BookPrice=set.getString(8);
String BookDate =set.getString(9);
String BookIntime=set.getString(10);
String BookNewBook=set.getString(11);
String BookCommend=set.getString(12);
String BookSum=set.getString(13);
out.print("<tr>");
out.print("<td ><input type='checkbox' name='id' value='"+BookId+"'/></td>");
out.print("<td ><input type='text' name='BookId' id='BookId' value='"+BookId+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookName' value='"+BookName+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookType' value='"+BookType+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookPubliSher' value='"+BookPubliSher+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookAuthor' value='"+BookAuthor+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='Bookintorduce' value='"+Bookintorduce+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookPrice' value='"+BookPrice+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookDate' value='"+BookDate+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookIntime' value='"+BookIntime+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookNewBook' value='"+BookNewBook+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookCommend' value='"+BookCommend+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookSum' value='"+BookSum+"' readonly='readonly'/></td>");
out.print("<td ><a href='gai.jsp?BookId="+BookId+"'>修改</a></td>");
set.next();
i++;
}
}
out.print("<tr><td colspan='15' align='center'><input type='submit' name='gai' value='删除' /></td></tr>");
out.print(" </table>");
out.print(" </form>");
// 关闭结果集
set.close();
// 关闭SQL语句对象
st.close();
// 关闭数据库
con.close();
}catch(Exception e){
System.out.print(e.getMessage());
}
return this.SKIP_BODY;
}
private void jbInit() throws Exception {
}
}
import java.util.*;
import java.sql.*;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.JspWriter;
import png.db.DB;
public class bookTag extends TagSupport {
public bookTag() {
try {
jbInit();
} catch (Exception ex) {
ex.printStackTrace();
}
}
private String page="1";
private String type;
private String id;
public void setPage(String page) {
if(page.equals("")||page.trim().length()<1)
return;
this.page = page;
}
public void setId(String id){
this.id=id;
}
public String getId(){
return id;
}
public void setType(String type) {
this.type = type;
}
public String getPage() {
return page;
}
public String getType() {
return type;
}
public int doStartTag(){
JspWriter out=pageContext.getOut();
int i=0;//环
int sumrow;//总行数
int sumye;//总页数
int yerow;//每页行数
int page;//待显示页码
yerow=4;
String strrow="";//接收intpage传来的值
String strSQL;
strrow=this.getPage();
page=Integer.parseInt(strrow);
if(page<1){
page=1;
}
try{
strSQL="select * from BookInfo";
Statement st=null;
ResultSet set=null;
Connection con=null;
DB db=new DB();
con=db.conn();
st=con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
set=st.executeQuery(strSQL);
set.last();// 光标在最后一行
sumrow=set.getRow();//每页行数
sumye=(sumrow+yerow-1)/yerow;//总页数
// 调整待显示的页码
if(page>sumye){
page=sumye;
}
out.print("<form method='get' action='/Root/shan'>");
out.print(" 第" + page + "页");
out.print(" 共" + sumye + "页");
if (page < sumye) {
out.print("<a href='/Root/Manager/gaibook.jsp?id="+id+"&page=" + (page + 1)
+ "'>下一页</a>");
}
if (page > 1) {
out.print("<a href='/Root/Manager/gaibook.jsp?id="+id+"&page=" + (page - 1)
+ "'>上一页</a>");
}
out.print("<table border='1' width='170' cellspacing='0' cellpadding='0'>");
out.print("<tr><th>选择/不选</th>");
out.print("<th>图书编号</th>");
out.print("<th>图书名称</th>");
out.print("<th>图书类型</th>");
out.print("<th>出版社名称</th>");
out.print("<th>作者名称</th>");
out.print("<th>图书介绍</th>");
out.print("<th>图书价格</th>");
out.print("<th>发行日期</th>");
out.print("<th>上架日期</th>");
out.print("<th>是否新书</th>");
out.print("<th>是否推荐</th>");
out.print("<th>图书数量</th>");
out.print("<th>修改</th>");
//out.print("<th>删除</th>");
out.print("</tr>");
if (sumye > 0) {
// 将记录指针定位到待显示页的第一条记录上
set.absolute((page - 1) * yerow + 1);
// 显示数据
i = 0;
String user_id, user_name;
// 遍历记录集,注意判断结束的方法
while (i < yerow && !set.isAfterLast()) {
// 获取记录
String BookConver=set.getString(1);
String BookId=set.getString(2);
String BookName=set.getString(3);
String BookType=set.getString(4);
String BookPubliSher=set.getString(5);
String BookAuthor=set.getString(6);
String Bookintorduce=set.getString(7);
String BookPrice=set.getString(8);
String BookDate =set.getString(9);
String BookIntime=set.getString(10);
String BookNewBook=set.getString(11);
String BookCommend=set.getString(12);
String BookSum=set.getString(13);
out.print("<tr>");
out.print("<td ><input type='checkbox' name='id' value='"+BookId+"'/></td>");
out.print("<td ><input type='text' name='BookId' id='BookId' value='"+BookId+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookName' value='"+BookName+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookType' value='"+BookType+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookPubliSher' value='"+BookPubliSher+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookAuthor' value='"+BookAuthor+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='Bookintorduce' value='"+Bookintorduce+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookPrice' value='"+BookPrice+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookDate' value='"+BookDate+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookIntime' value='"+BookIntime+"' readonly='readonly' /></td>");
out.print("<td ><input type='text' name='BookNewBook' value='"+BookNewBook+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookCommend' value='"+BookCommend+"' readonly='readonly'/></td>");
out.print("<td ><input type='text' name='BookSum' value='"+BookSum+"' readonly='readonly'/></td>");
out.print("<td ><a href='gai.jsp?BookId="+BookId+"'>修改</a></td>");
set.next();
i++;
}
}
out.print("<tr><td colspan='15' align='center'><input type='submit' name='gai' value='删除' /></td></tr>");
out.print(" </table>");
out.print(" </form>");
// 关闭结果集
set.close();
// 关闭SQL语句对象
st.close();
// 关闭数据库
con.close();
}catch(Exception e){
System.out.print(e.getMessage());
}
return this.SKIP_BODY;
}
private void jbInit() throws Exception {
}
}