试题图片：
数据库代码：create database dept DEFAULT charset=utf8;
use dept;
create table tbl_dept(
dept_id int primary key AUTO_INCREMENT,
dept_name varchar(30),
dept_office varchar(10)
);
insert into tbl_dept values(1,'市场部','1705');
insert into tbl_dept values(2,'财务部','1704');
insert into tbl_dept values(3,'采购部','1801');
insert into tbl_dept values(4,'技术支持部','1205');
select * from tbl_dept;
create table tbl_emp(
emp_id int primary key AUTO_INCREMENT,
emp_name varchar(20),
dept_id varchar(20),
emp_gender varchar(3)
);
insert into tbl_emp values(1001,'周伯通','4','男');
insert into tbl_emp values(1002,'欧阳锋','1','男');
insert into tbl_emp values(1003,'洪七公','4','女');
insert into tbl_emp values(1004,'杨过','3','男');
select * from tbl_emp;
控制器代码：
<?php
// 本类由系统自动生成，仅供测试用途
class IndexAction extends Action {
public function index(){
$m=M("tbl_emp");
if($_POST){
$emp_id=$_POST["emp_id"];
$emp_name=$_POST["emp_name"];
}
$data=array();
if($emp_id){
$data["emp_id|emp_name"]=array("like","%$emp_id%");
}
$this->assign("emp_id",$emp_id);
$this->assign("emp_name",$emp_name);
//echo $emp_id;
$arr=$m->join('left JOIN tbl_dept ON tbl_emp.dept_id = tbl_dept.dept_id')->where($data)->select();
$this->assign("arr",$arr);
$this->display();
}
public function index_add(){
$m=M("tbl_emp");
if($_POST){
$data['emp_name'] = $_POST["emp_name"];
$data['emp_gender'] = $_POST["emp_gender"];
$data['dept_id'] = $_POST["dept_id"];
$res=$m->add($data);
if($res>0){
$this->success("添加成功");
}else{
$this->error("添加失败");
}
}else{
$m2=M("tbl_dept");
$arr2=$m2->select();
$this->assign("arr2",$arr2);
$this->display();
}
}
}
视图代码：index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<a href="__URL__/index_add">新增</a>
<form action="" method="POST">
请输入员工姓名或编号：<input type="text" name="emp_id" value="{$emp_id}"/>
<input type="submit" value="查询"/>
</form>
<table border="1">
<tr>
<td>员工姓名：</td>
<td>性别：</td>
<td>部门名称：</td>
<td>办公室：</td>
</tr>
<volist name="arr" id="vo">
<tr>
<td>{$vo.emp_name}</td>
<td>{$vo.emp_gender}</td>
<td>{$vo.dept_name}</td>
<td>{$vo.dept_office}</td>
</tr>
</volist>
</table>
</body>
</html>
视图代码：index_add.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<form action="" method="post">
<table border="1">
<tr>
<td>员工姓名</td>
<td><input type="text" name="emp_name"/></td>
</tr>
<tr>
<td>员工姓别</td>
<td>
<input type="radio" name="emp_gender" value="男"/>男
<input type="radio" name="emp_gender" value="女"/>女
</td>
</tr>
<tr>
<td>部门</td>
<td>
<select name="dept_id">
<option value="0">请选择</option>
<volist name="arr2" id="vo">
<option value="{$vo.dept_id}">{$vo.dept_name}</option>
</volist>
</select>
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="提交"/>
<a href="__URL__/index"><button>返回</button></a>
</td>
</tr>
</table>
</form>
</body>
</html>