Java开发需要学什么！【基于Java

傷城~ 2022-09-03 00:27 150阅读 0赞

import java.util.List;

import java.util.Set;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.allde.wo.chuanzhi.business.ebi.ChuanzhiEbi;

import com.allde.wo.chuanzhi.model.ChuanzhiModel;

import com.allde.wo.chuanzhi.model.ChuanzhiQueryModel;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class ChuanzhiAction extends ActionSupport implements ModelDriven \{

private ChuanzhiModel chuanzhiModel = new ChuanzhiModel();
    
    private ChuanzhiEbi chuanzhiEbi;
    
    	public void setChuanzhiEbi(ChuanzhiEbi chuanzhiEbi) {
    
    	this.chuanzhiEbi = chuanzhiEbi;
    
    }
    
    public String create() {
    
    	SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式
    
    	String ttime = df.format(new Date());// new Date()为获取当前系统时间
    
    	chuanzhiModel.setTtime(ttime);
    
    	chuanzhiEbi.create(chuanzhiModel);
    
    	return SUCCESS;
    
    }
    
    //更具id得到用户详细信息
    
    public String getUserid(){
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	int id = Integer.parseInt(request.getParameter("id"));
    
    	ChuanzhiQueryModel qm = new ChuanzhiQueryModel();
    
    	qm.setId(id);
    
    	request.setAttribute("newsxx", chuanzhiEbi.getByCondition(qm, 0, 20));
    
    	return "xxid";
    
    }
    
    //根据Id得到用户信息去修改
    
    public String getUserById(){
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	int id = Integer.parseInt(request.getParameter("id"));
    
    	ChuanzhiQueryModel qm = new ChuanzhiQueryModel();
    
    	qm.setId(id);
    
    	request.setAttribute("newsupdate", chuanzhiEbi.getByCondition(qm, 0, 20));
    
    	return "byid";
    
    }
    
    //删除
    
    public String deletedById() {
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	int id = Integer.parseInt(request.getParameter("id"));
    
    	chuanzhiEbi.delete(id);
    
    	return "delete";
    
    }	
    
    //得到所有
    
    public String getAll() {
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	request.setAttribute("newsmodel",chuanzhiEbi.getAll(0, 6));
    
    	request.setAttribute("newsnum",chuanzhiEbi.getAllCount());
    
    	return "newsall";
    
    }	
    
    //得到所有看
    
    	public String getAllkan() {
    
    		HttpServletRequest request = ServletActionContext.getRequest();
    
    		request.setAttribute("newsmodel",chuanzhiEbi.getAll(0, 6));
    
    		request.setAttribute("newsnum",chuanzhiEbi.getAllCount());
    
    		return "newsallkan";
    
    	}
    
    public ChuanzhiModel getModel() {
    
    	return chuanzhiModel;
    
    }
    
    public String update() {
    
    	SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式
    
    	String ttime = df.format(new Date());// new Date()为获取当前系统时间
    
    	chuanzhiModel.setTtime(ttime);
    
    	chuanzhiEbi.update(chuanzhiModel);
    
    	return "update";
    
    }
    
    //分页显示首页
    
    public String getAllFen(){
    
    	int j = chuanzhiEbi.getAllCount();
    
    	int jj=j-j%6;
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	int i = Integer.parseInt(request.getParameter("i"));
    
    	
    
    	if (i >=j) {
    
    		request.setAttribute("i", jj);
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(jj, 6));
    
    	}else if(i<=0){
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(0, 6));
    
    	} else {
    
    		request.setAttribute("i", i);
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(i, 6));
    
    	}
    
    	request.setAttribute("newsnum", j);
    
    	return "chuanzhiallf";
    
    }
    
    //分页显示kan
    
    public String getAllFenkan(){
    
    
    
    	int j = chuanzhiEbi.getAllCount();
    
    	int jj=j-j%6;
    
    	HttpServletRequest request = ServletActionContext.getRequest();
    
    	int i = Integer.parseInt(request.getParameter("i"));
    
    	
    
    	if (i >=j) {
    
    		request.setAttribute("i", jj);
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(jj, 6));
    
    	}else if(i<=0){
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(0, 6));
    
    	} else {
    
    		request.setAttribute("i", i);
    
    		request.setAttribute("newsmodel", chuanzhiEbi.getAll(i, 6));
    
    	}
    
    	request.setAttribute("newsnum", j);
    
    	return "kanallf";
    
    }

style.css (样式文件示例)

@charset “utf-8”;

/\* CSS Document \*/

body \{

margin: 0px;
    
    padding: 0px;
    
    background-image: url(images2/bg.gif);
    
    background-repeat: repeat-x;
    
    font-family: Tahoma;
    
    font-size: 12px;
    
    color: #5366bd;
    
    background-color: #1C1C40;

\#wrapper \{

width: 943px;
    
    margin: 0 auto;

\#header \{

background-image: url(images2/header.jpg);
    
    background-repeat: no-repeat;
    
    height: 386px;

\#nav \{

height: 66px;

\#content \{

height: 360px;
    
    padding: 23px 15px 0 30px;

\#left \{

float: left;
    
    width: 100%;

\#right \{

float: right;
    
    width: 228px;

.gallerybox \{

background-image: url(images2/gallerybg.gif);
    
    background-repeat: no-repeat;
    
    height: 168px;
    
    width: 540px;
    
    padding: 13px 22px 0 22px;

.rightimg \{

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![image][]

ght: 168px;

width: 540px;
    
    padding: 13px 22px 0 22px;

.rightimg \{

# 最后总结 #

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[image]: /images/20220829/99ec4828074b46378e7d5fe80984c8a3.png