基于javaweb+SpringBoot+MyBatis网上订餐在线点餐管理系统(前台、后台)

开发工具：eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

package com.demo.controller.web;

import com.demo.entity.Evaluate;
import com.demo.entity.Order;
import com.demo.entity.vo.OrderExcelExportVO;
import com.demo.service.EvaService;
import com.demo.service.OrderService;
import com.demo.service.UserService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.demo.common.view.ObjectExcelViewOrder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.document.AbstractExcelView;

import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;


	public String getCode() {
		return this.text;

	public static void main(String[] args) throws Exception {
		VerifyCode vc = new VerifyCode();
		vc.drawImage(new FileOutputStream("e:/vc.jpg"));
		System.out.println("执行成功~!");
	}





//	//打印报表
//	public static void writeToDisk(java.util.List list, int maxrow, String fileName) throws IOException {
//	   
//		//1生成sheet1
//		HSSFWorkbook wb=new HSSFWorkbook();

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import java.util.*;


@Controller
public class ProductController {

<%--

--%>

        valueStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);//水平居中
        valueStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);//垂直居中
        HSSFDataFormat df = workbook.createDataFormat();//此处设置数据格式  
        valueStyle.setDataFormat(df.getFormat("#,#0.0")); //小数点后保留两位，可以写contentStyle.setDataFormat(df.getFormat("#,#0.00"));  

        List> varList = (List>) model.get("varList");
        int varCount = varList.size();
        int rowIndex = 2;//第三行
        for(int i=0; i
            //初始参数
            OrderExcelExportVO data = (OrderExcelExportVO)varList.get(i);
            int colIndex = 0;//第一列
            //1-订单序号
            colIndex = ObjectExcelUtil.setSingleCellText(sheet,cell,rowIndex,colIndex,ObjectExcelUtil.showNullData(data.getId()),contentStyle);
            //2-订单编号
            colIndex = ObjectExcelUtil.setSingleCellText(sheet,cell,rowIndex,colIndex,ObjectExcelUtil.showNullData(data.getOrderId()),contentStyle);
            //3-订单金额
            colIndex = ObjectExcelUtil.setSingleCellText(sheet,cell,rowIndex,colIndex,ObjectExcelUtil.showNullData(data.getMoney()),contentStyle);
            //4-收货人
            colIndex = ObjectExcelUtil.setSingleCellText(sheet,cell,rowIndex,colIndex,ObjectExcelUtil.showNullData(data.getUserId()),contentStyle);
            //5-收获地址
            colIndex = ObjectExcelUtil.setSingleCellText(sheet,cell,rowIndex,colIndex,ObjectExcelUtil.showNullData(data.getAddressInfo()),contentStyle);
            //6-下单时间

		this.text = sb.toString();

		// 画干扰线
		for (int i = 0; i < len + 2; i++) {
			// 设置画笔颜色 -- 随机
			// g2.setColor(new Color(255, 0, 0));
			g2.setColor(new Color(getRandom(0, 150), getRandom(0, 150),
					getRandom(0, 150)));
			g2.drawLine(getRandom(0, 120), getRandom(0, 30), getRandom(0, 120),
					getRandom(0, 30));
		}

		g2.setColor(Color.GRAY);
		g2.drawRect(0, 0, width-1, height-1);

		// 4.保存图片到指定的输出流
		try {
			ImageIO.write(this.img, "JPEG", outputStream);
		} catch (Exception e) {
			e.printStackTrace();
			throw new RuntimeException(e);

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;

import org.json.JSONArray;
import org.json.JSONObject;

        Map excelMap = new HashMap();
        excelMap.put("excelTitle","订单信息表格");//excel标题
        DateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        String time = sdf.format(new Timestamp(System.currentTimeMillis()));
        excelMap.put("fileName","订单信息表格" + time);//文件名
        return excelMap;
    }
    
    protected AbstractExcelView getAbstractExcelView(Map excelMap){
        try {
            ObjectExcelViewOrder erv = new ObjectExcelViewOrder(excelMap.get("fileName"),excelMap.get("excelTitle"));
            return erv;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

}
package com.demo.common.utils;

import java.io.UnsupportedEncodingException;

运行环境

Java≥8、MySQL≥5.7

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

技术框架

SpringBoot SpringMVC MyBatis JSP JavaScript jQuery……

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

前台用户：查看菜品、点餐下单、确认收货、评论等……

后台管理员：管理用户、订单、分类、交易、公告等……

前台