DDR爱好者之家

jQuery插件简单学习实例教程
站长资源 2024/11/29 佚名
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DDR爱好者之家 Design By 杰米

本文实例讲述了jQuery插件及其用法。分享给大家供大家参考，具体如下：

（1）异步分页插件flexgrid

1）前台js

<%@ page language="Java" contentType="text/html; charset=utf-8"
  pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
<script type="text/JavaScript" src="/UploadFiles/2021-04-02/jQuery-1.8.0.js">


2）后台action


最后只需返回一个 名字为  rows的json即可


（2）放大镜，magnify





<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.0.js">


（3）autoComplete





<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>autoComplete jquery</title>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.0.js">


(4)异步上传





<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.0.js">


（5）日历





<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery-1.8.0.js">


后台的action如下：





package com.jquery.plugin.action;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.json.annotations.JSON;
import com.jquery.plugin.dao.DataDao;
import com.jquery.plugin.pojo.Catalog;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
public class JQueryAction extends ActionSupport{
  /**
   *
   */
  private static final long serialVersionUID = 1L;
  private String q ;
  private Integer rp;
  private Integer page;
  private Integer total;
  private List<Catalog> serarchResult = new ArrayList<Catalog>();
  private List<Catalog> rows = new ArrayList<Catalog>();
  private String sortname;
  private File upload;
  private String uploadFileName;
  public String getQ() {
    return q;
  }
  public void setQ(String q) {
    this.q = q;
  }
  public Integer getRp() {
    return rp;
  }
  public void setRp(Integer rp) {
    this.rp = rp;
  }
  public Integer getPage() {
    return page;
  }
  public void setPage(Integer page) {
    this.page = page;
  }
   @JSON(name="total")
  public Integer getTotal() {
    return total;
  }
  public String redirect(){
    System.out.println("go..");
    return Action.SUCCESS;
  }
  //{age:1}[search:{age:1}]
  @JSON(name="serarchResult")
  public List<Catalog> getSerarchResult() {
    return serarchResult;
  }
  public List<Catalog> getRows() {
    return rows;
  }
  public void setRows(List<Catalog> rows) {
    this.rows = rows;
  }
  public String getSortname() {
    return sortname;
  }
  public void setSortname(String sortname) {
    this.sortname = sortname;
  }
  public File getUpload() {
    return upload;
  }
  public void setUpload(File upload) {
    this.upload = upload;
  }
  public String getUploadFileName() {
    return uploadFileName;
  }
  public void setUploadFileName(String uploadFileName) {
    this.uploadFileName = uploadFileName;
  }
  public String autoCompleteJQuery(){
    System.out.println("q:"+q);
    List<Catalog> result = DataDao.getList();
    if(!"".equals(q)){
    for (Catalog catalog : result) {
      if(catalog.getCatalogName().toLowerCase().contains(q.toLowerCase())){
        serarchResult.add(catalog);
      }
    }
    }
    System.out.println(serarchResult.size());
    return Action.SUCCESS;
  }
  public String flexigrid(){
    try {
      List<Catalog> result = DataDao.getList();
      Integer startIndex = (page-1)*rp;
      Integer endIndex = startIndex+rp;
      total = result.size();
      while(endIndex>result.size()){
        endIndex--;
      }
      System.out.println("page:"+page+":total:"+total);
      System.out.println("sortname:"+sortname);
      for(int i = startIndex ;i < (endIndex);i++){
        rows.add(result.get(i));
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return Action.SUCCESS;
  }
  public String ajaxFileUpload(){
    System.out.println("begin...");
    BufferedOutputStream out = null ;
    BufferedInputStream in = null ;
    String uploadPath = null ;
    String contextPath = null;
    try {
      //fileName = URLEncoder.encode(fileName, "GB2312");
      System.out.println("fileName:"+uploadFileName);
      byte [] buffer = new byte[1024];
      HttpServletRequest request = ServletActionContext.getRequest();
      contextPath = request.getSession().getServletContext().getRealPath("/");
       uploadPath = contextPath+"/upload/"+uploadFileName;
       System.out.println(uploadPath);
      out = new BufferedOutputStream(new FileOutputStream(uploadPath));
      int len = 0 ;
      in = new BufferedInputStream(new FileInputStream(upload));
      while((len = in.read(buffer, 0, buffer.length))!=-1){
        out.write(buffer, 0, len);
        out.flush();
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }finally{
      try {
        if(out != null){
          out.close();
        }
        if(in != null){
          in.close();
        }
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    System.out.println("上传成功");
    return null;
  }
}







更多关于jQuery相关内容感兴趣的读者可查看本站专题：《jQuery扩展技巧总结》、《jQuery常用插件及用法总结》、《jQuery拖拽特效与技巧总结》、《jQuery表格(table)操作技巧汇总》、《jquery中Ajax用法总结》、《jQuery常见经典特效汇总》、《jQuery动画与特效用法总结》及《jquery选择器用法总结》


希望本文所述对大家jQuery程序设计有所帮助。


                                

                                

                                     

                                
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