Simple case of SSM framework

By the end ssm A simple case is made after the framework , Realize simple addition, deletion, modification and search .

Project structure chart ：

See project structure ：

Key code ：

The front is jsp technology , You can also use it vue Separate your choice .

Order page ：

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@page isELIgnored="false" %>
<%@include file="./common/head.jsp"%>

<div class="right">
       <div class="location">
           <strong> Your current position is :</strong>
           <span> Order management page </span>
       </div>
       <div class="search">
       <form method="get" action="${pageContext.request.contextPath }/jsp/bill.do">
			<input name="method" value="query" class="input-text" type="hidden">
			<span> Name of commodity ：</span>
			<input name="queryProductName" type="text" value="${queryProductName }">
			 
			<span> supplier ：</span>
			<select name="queryProviderId">
				<c:if test="${providerList != null }">
				   <option value="0">-- Please select --</option>
				   <c:forEach var="provider" items="${providerList}">
				   		<option value="${provider}">${
    provider}</option>
				   </c:forEach>
				</c:if>
       		</select>
			 
			<span> Whether to pay ：</span>
			<select name="queryIsPayment">
				<option value="0">-- Please select --</option>
				<option value="1" ${
    queryIsPayment == 1 ? "selected=\"selected\"":"" }> Unpaid </option>
				<option value="2" ${
    queryIsPayment == 2 ? "selected=\"selected\"":"" }> Paid </option>

       		</select>
			
			 <input	value=" check   Inquiry " type="submit" id="searchbutton">
			 <a href="${pageContext.request.contextPath }/billadd"> Add order </a>
		</form>
       </div>


       <!-- Billing form   Styles are common to suppliers -->
      <table class="providerTable" cellpadding="0" cellspacing="0">
          <tr class="firstTr">
              <th width="10%"> Order number </th>
              <th width="20%"> Name of commodity </th>
              <th width="10%"> supplier </th>
              <th width="10%"> Order amount </th>
              <th width="10%"> Whether to pay </th>
              <th width="10%"> Creation time </th>
              <th width="30%"> operation </th>
          </tr>
          <c:forEach var="bill" items="${billList }" varStatus="status">
				<tr>
					<td>
					<span>${
    bill.billCode }</span>
					</td>
					<td>
					<span>${
    bill.productName }</span>
					</td>
					<td>
					<span>${
    bill.providerId}</span>
					</td>
					<td>
					<span>${
    bill.totalPrice}</span>
					</td>
					<td>
					<span>
						<c:if test="${bill.isPayment == 1}"> Unpaid </c:if>
						<c:if test="${bill.isPayment == 2}"> Paid </c:if>
					</span>
					</td>
					<td>
					<span>
					${
    bill.creationDate}
					</span>
					</td>
					<td>
					<span><a class="viewBill" href="${pageContext.request.contextPath }/billview?code=${bill.billCode}" billid=${
    bill.id } billcc=${
    bill.billCode }><img src="${pageContext.request.contextPath }/images/read.png" alt=" see " title=" see "/></a></span>
					<span><a class="modifyBill" href="${pageContext.request.contextPath }/billmodify?code=${bill.billCode}" billid=${
    bill.id } billcc=${
    bill.billCode }><img src="${pageContext.request.contextPath }/images/xiugai.png" alt=" modify " title=" modify "/></a></span>
					<span><a class="deleteBill" href="javascript:deleteBill();" billid=${
    bill.id } billcc=${
    bill.billCode }><img src="${pageContext.request.contextPath }/images/schu.png" alt=" Delete " title=" Delete "/></a></span>
					</td>
				</tr>
			</c:forEach>
      </table>
  </div>
</section>

<!-- Click the delete button to pop up the page -->
<div class="zhezhao"></div>
<div class="remove" id="removeBi">
    <div class="removerChid">
        <h2> Tips </h2>
        <div class="removeMain">
            <p> Are you sure you want to delete this order ？</p>
            <a href="#" id="yes"> determine </a>
            <a href="#" id="no"> Cancel </a>
        </div>
    </div>
</div>

<%@include file="./common/foot.jsp" %>
<script type="text/javascript" src="${pageContext.request.contextPath }/js/billlist.js"></script>

The interface is not as good-looking as the one above , The framework downloads itself .

Supplier page ：

<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@page isELIgnored="false" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@include file="./common/head.jsp"%>

<div class="right">
        <div class="location">
            <strong> Your current position is :</strong>
            <span> Supplier management page </span>
        </div>
        <div class="search">
        	<form method="get" action="${pageContext.request.contextPath }/provider.select">
				<input name="method" value="query" type="hidden">
				<span> Supplier code ：</span>
				<input name="queryProCode" type="text" value="${queryProCode }">
				
				<span> Name of supplier ：</span>
				<input name="queryProName" type="text" value="${queryProName }">
				
				<input value=" check   Inquiry " type="submit" id="searchbutton">
				<a href="${pageContext.request.contextPath }/jsp/provideradd.jsp"> Add supplier </a>
			</form>
        </div>
        <!-- Supplier operation form -->
        <table class="providerTable" cellpadding="0" cellspacing="0">
            <tr class="firstTr">
                <th width="10%"> Supplier code </th>
                <th width="20%"> Name of supplier </th>
                <th width="10%"> Contacts </th>
                <th width="10%"> contact number </th>
                <th width="10%"> Fax </th>
                <th width="10%"> Creation time </th>
                <th width="30%"> operation </th>
            </tr>
            <c:forEach var="provider" items="${providerList }" varStatus="status">
				<tr>
					<td>
					<span>${provider.proCode }</span>
					</td>
					<td>
					<span>${provider.proName }</span>
					</td>
					<td>
					<span>${provider.proContact}</span>
					</td>
					<td>
					<span>${provider.proPhone}</span>
					</td>
					<td>
					<span>${provider.proFax}</span>
					</td>
					<td>
					<span>
					${provider.creationDate}
					</span>
					</td>
					<td>
					<span><a class="viewProvider" href="${pageContext.request.contextPath }/providerview?code=${provider.proCode}" proid=${provider.id } proname=${provider.proName }><img src="${pageContext.request.contextPath }/images/read.png" alt=" see " title=" see "/></a></span>
					<span><a class="modifyProvider" href="${pageContext.request.contextPath }/provideralter?code=${provider.proCode}" proid=${provider.id } proname=${provider.proName }><img src="${pageContext.request.contextPath }/images/xiugai.png" alt=" modify " title=" modify "/></a></span>
					<span><a class="deleteProvider" href="javascript:;" proid=${provider.id } proname=${provider.proName }><img src="${pageContext.request.contextPath }/images/schu.png" alt=" Delete " title=" Delete "/></a></span>
					</td>
				</tr>
			</c:forEach>
        </table>

    </div>
</section>

<!-- Click the delete button to pop up the page -->
<div class="zhezhao"></div>
<div class="remove" id="removeProv">
   <div class="removerChid">
       <h2> Tips </h2>
       <div class="removeMain" >
           <p> Are you sure you want to delete this supplier ？</p>
           <a href="#" id="yes"> determine </a>
           <a href="#" id="no"> Cancel </a>
       </div>
   </div>
</div>

<%@include file="./common/foot.jsp" %>
<script type="text/javascript" src="${pageContext.request.contextPath }/js/providerlist.js"></script>

It is mainly the interaction part of the front and back end , All controllers are controlled by spring Container control , Pay attention to releasing static resources .

Order background ：

package cms.ssm.controller;

import cms.ssm.dao.BillMapper;
import cms.ssm.dao.ProviderMapper;
import cms.ssm.model.Bill;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

@Controller
public class BillController {
    
    @Resource
    private BillMapper billMapper;

    @Resource
    private ProviderMapper providerMapper;

    @GetMapping("/bill")
    public String showBill(Model model){
    
        List<Bill> bills = billMapper.selectAll();
        List<String> list = providerMapper.selectProviderNames();
        model.addAttribute("billList",bills);
        model.addAttribute("providerList",list);
        return "/jsp/billlist.jsp";
    }

    @GetMapping("/billview")
    public String showOne(@RequestParam("code") String code,Model model){
    
        Bill bill = billMapper.selectByCode(code);
        model.addAttribute("bill",bill);
        return "/jsp/billview.jsp";
    }

    @GetMapping("/billmodify")
    public String alterBill(@RequestParam("code") String code,Model model){
    
        Bill bill = billMapper.selectByCode(code);
        List<String> list = providerMapper.selectProviderNames();
        model.addAttribute("bill",bill);
        model.addAttribute("provider",list);
        return "/jsp/billmodify.jsp";
    }

    @GetMapping(value = "/jsp/bill.do")
    public String select_more(@RequestParam("method") String method,@RequestParam("queryProductName") String queryProductName,@RequestParam("queryIsPayment") int queryIsPayment,Model model){
    
        List<Bill> billList = billMapper.selectMore("%"+queryProductName+"%", queryIsPayment);
        model.addAttribute("billList",billList);
        return "/jsp/billlist.jsp";
    }

    @GetMapping(value = "/billadd")
    public String billAdd(Model model){
    
        List<String> list = providerMapper.selectProviderNames();
        model.addAttribute("list",list);
        return "/jsp/billadd.jsp";
    }

    @RequestMapping(value = "/billadd.do", method = RequestMethod.GET)
    public void billAddColumn(@RequestParam("billCode") String billCode, @RequestParam("productName") String productName, @RequestParam("productCount") Double productCount,@RequestParam("productUnit") String productUnit,@RequestParam("providerId") int providerId){
    
        Bill bill =new Bill();
        bill.setBillCode(billCode);
        bill.setProductName(productName);
        bill.setProductCount(productCount);
        bill.setProductUnit(productUnit);
        bill.setProviderId(providerId);
        billMapper.insertOneBill(bill);
    }
}

Supplier background ：

package cms.ssm.controller;

import cms.ssm.dao.ProviderMapper;
import cms.ssm.dao.UserMapper;
import cms.ssm.model.Provider;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import java.util.List;

@Controller
public class ProviderController {
    

    @Resource
    private ProviderMapper providerMapper;

// @Resource
// private UserMapper userMapper;

    @GetMapping(value = "/provider")
    public String showProviders(Model model){
    
        List<Provider> list= providerMapper.selectAll();
        //List<String> roles= userMapper.select_all_role();
        model.addAttribute("providerList",list);

        return "jsp/providerlist.jsp";
    }

    @GetMapping(value = "/providerview")
    public String providerView(@RequestParam("code") String code,Model model){
    
        Provider provider= providerMapper.selectById(code);
        model.addAttribute("provider",provider);
        return "/jsp/providerview.jsp";
    }

    @GetMapping(value = "/provideralter")
    public String providerAlter(@RequestParam("code") String code,Model model){
    
        Provider provider= providerMapper.selectById(code);
        model.addAttribute("provider",provider);
        return "/jsp/providermodify.jsp";
    }

    @GetMapping(value = "/provider.select")
    public String providerSelect(Model model,@RequestParam("queryProCode") String queryProCode,@RequestParam("queryProName") String queryProName){
    
        List<Provider> list = providerMapper.selectMore("%"+queryProCode+"%", "%"+queryProName+"%");
        model.addAttribute("providerList",list);
        return "/jsp/providerlist.jsp";
    }

    @GetMapping(value = "/provideradd.do")
    public String providerAdd(@RequestParam("proCode") String proCode,@RequestParam("proName") String proName,@RequestParam("proContact") String proContact,@RequestParam("proPhone") String proPhone,@RequestParam("proAddress") String proAddress,@RequestParam("proFax") String proFax,@RequestParam("proDesc") String proDesc){
    
        Provider provider = new Provider();
        provider.setProCode(proCode);
        provider.setProName(proName);
        provider.setProContact(proContact);
        provider.setProPhone(proPhone);
        provider.setProAddress(proAddress);
        provider.setProFax(proFax);
        provider.setProDesc(proDesc);

        providerMapper.insertOne(provider);

        return "/jsp/provideradd.jsp";
    }


    @GetMapping(value = "/provider.oparater")
    @ResponseBody
    public String providerOparater(@RequestParam("proid") int id){
    
        providerMapper.delById(id);
        String delResult = "true";
        return delResult;
        
    }

}

Only some codes are referenced