思途实训-day02

ゞ浴缸里的玫瑰 2023-06-30 02:58 38阅读 0赞

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# 思途实训-day02 #

## 上午 ##

杜老师带我们写出了剩下的两个模块，分别是controller和serivce

1.  Departmentcontroller.java

package com.situ.company.department.controller;
    
    import java.util.List;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import com.situ.company.department.model.DepartmentModel;
    import com.situ.company.department.service.DepartmentService;
    
    
    @RestController
    @RequestMapping("department")
    public class DepartmentController 
    {
        
       @Autowired
       private DepartmentService service;
       
       @RequestMapping("insert")
       public int insert(DepartmentModel model)
       {
        
       	
       	return service.insert(model);
       }
       
       @RequestMapping("delect")
       public int delect(DepartmentModel model)
       {
        
       	return service.delect(model);
       }
       
       @RequestMapping("updata")
       public int updata(DepartmentModel model)
       {
        
       	return service.updata(model);
       }
       
       @RequestMapping("selectmodel")
       public DepartmentModel selectmodel(DepartmentModel model)
       {
        
       	return service.selectModel(model);
       }
       
       @RequestMapping("selectList")
       public List<DepartmentModel> select(DepartmentModel model)
       {
        
       	return service.selectList(model);
       }
    }

1.  DepartmentSerivce.java

package com.situ.company.department.service;
    
    import java.util.List;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    import com.situ.company.department.mapper.DepartmentMapper;
    import com.situ.company.department.model.DepartmentModel;
    
    
    @Service
    public class DepartmentService 
    {
        
    	@Autowired
    	private DepartmentMapper mapper;
    	
    	public int insert(DepartmentModel model) 
    	{
        
    		DepartmentModel mdb = selectModel(model);
    		if(mdb == null)
    		{
        
    			return mapper.insert(model);
    		}
    		else
    		{
        
    			return -1;
    		}
    	}
    	
        
        public int delect(DepartmentModel model) 
    	{
        
    		return mapper.Delete(model);
    	}
    	
    	public int updata(DepartmentModel model) 
    	{
        
    		return mapper.updata(model);
    	}
    	
    	public DepartmentModel selectModel(DepartmentModel model) 
    	{
        
    		return mapper.selectModel(model);
    	}
    	
    	public List<DepartmentModel> selectList(DepartmentModel model) 
    	{
        
    		String name = model.getName();
    		if(name == null)//此处的null必须变成“”，否则下面的setName拼接成的为%null%   查询的是name中含有name的字符
    		{
        
    			name = "";
    		}
    		model.setName('%' + name + '%');
    		return mapper.selectList(model);
    	}
    }

*  Model模块是建立私有化的数据类型，相当于建立数据库中的对应数据。
 *  Mapper模块在Model基础上进行数据库（sql）语句的编辑（增删改查）
 *  Service模块在Mapper基础上进行一些逻辑化的操作。例如：id（主键）和code（非主键），但我想让code的值是唯一的，这时候需要用到Service模块的的操作，代码如下：

public int insert(DepartmentModel model) 
       {
        
       	DepartmentModel mdb = selectModel(model);
       	if(mdb == null)
       	{
        
       		return mapper.insert(model);
       	}
       	else
       	{
        
       		return -1;
       	}
       }

*  最后是Controller模块，这个模块对应的是网页端，给网页服务的。

@RequestMapping("insert")

这个地方的insert和网页的请求一样，不能写错。  
3.

## 下午 ##

老师讲解使用网页端来进行数据库的增删改查

*  刚开始，老师直接使用在网址中输入的命令

http://127.0.0.1:8080/company/department/insert?code=1&name=hls&tel=17852031547

*  然后直接转到网页端，新建一个html文件，文件代码如下：

<!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="UTF-8">
    		<title>Insert title here</title>
    		<script type="text/javascript" src="/company/base/js/jquery-3.3.1.min.js"></script>
    	<style>
    			body {
        
    				background-image:url('9.jpg');
    				height: 100%;
      				width: 100%;
      				background-size: cover;
     				position: absolute;
      				overflow: hidden;
    				 }
    			#login{
        
    				width:400px;
    				height:280px;
    				position:absolute;
    				left: 50%;
    				top: 40%;
    				margin-left:-200px;
    				margin-top:-140px;
    				border:1px;
    				align:center;
    				}
    			#form{
        
    				width:300px;
    				height:160px;
    				position:relative;
    				left:50%;
    				top:40%;
    				margin-left:-150px;
    				margin-top:-80px;
    				}
    			#img{
        
    				width:300px;
    				height:160px;
    				position:relative;
    				left:55%;
    				top:29.4%;
    				margin-left:-150px;
    				margin-top:-80px;
    			}
    			#bu1{
        
    				background-color: black;
    				width:50px;
    				height:40px;
    			}
    			#bu2{
        
    				background-color: black;
    				width:50px;
    				height:40px;
    			}
    			#bu3{
        
    				background-color: black;
    				width:100px;
    				height:40px;
    			}
    		</style>
    	</head> 
    	<body>
    	<div id = "img">
    	<img src="8.jpg" width="165" height="60" />
    	</div>
    	<div id = "login">
    	<div id = "form">
    		<form>
    		<h3 align="center" style="color:green" >部门注册系统</h3>
    		*  账  号： <input type='text' name = 'code'><br><br>
    		*  名  称： <input type='text' name = 'name'><br><br>
    		*  电  话： <input type='text' name = 'tel'><br>
    		<br>
    		  <input id = "bu1" style = "color: white" type="button" value="注册" onclick="test()">
    		    <input id = "bu2" style = "color: white" type="button" value="重置" onclick="test1()">
    		    <input id = "bu3" style = "color: white" type="button" value="成员注册页面"   onclick="test2()">
    		</form>
    	</div>
    	</div>
    	</body>
    	<script type="text/javascript">
    	function test1()
    	{
        
    		window.location.href="http://127.0.0.1:8080/company/web/department.html";
    	}
    	function test() 
    	{
        
    		var code = $("input[name='code']").val();
    		var name = $("input[name='name']").val();
    		var tel = $("input[name='tel']").val();
    //htpp://127.0.0.1:8080/company/department/insert?code=a1&name=a2&pass=a3
    		$.ajax({
        
    			url:'/company/department/insert', 
    			//data:'code='+code+'&name='+name+'&pass='+pass,  //从网页端到java发送的请求参数
    			data:{
        code:code,name:name,tel:tel},
    			dataType:'json', //返回的数据类型 java返回至网页端
    			type:'post', //请求的方式
    			success:function(d)
    			{
        
    				console.log(d)
    			}
    		})
    	}
    	function test2(){
        
    	 window.open('http://127.0.0.1:8080/company/web/Employee.html');
    	}
    	</script>
    </html>

这样就可以实施网页端的操作。

## 晚上 ##

巩固网页端的知识，自己查询了HTML和CSS的一些操作，做出来了一个小小的界面  
![部门注册][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwOTE1NDM5_size_16_color_FFFFFF_t_70]  
感觉杜老师真好，有问必答，太敬业了。  
明天差不多要开始真正的做界面和逻辑化了，溜了，溜了！

[Link 1]: https://www.huangliangshuai.com/
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwOTE1NDM5_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20200114222749611.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwOTE1NDM5,size_16,color_FFFFFF,t_70