스프링 수업(myBatis2)

거너거너·2021년 10월 28일
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spring(학원)

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myBatis2(스프링DB연결)

configuration.xml

pom.xml
환경설정

web.xml
servlet맵핑, 필터를 이용한 한글인코딩

servlet-context.xml

<context:component-scan base-package="myBatis2" />

myBatis2폴더 하위파일들을 다 불러온다.

	<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>

ViewResolver 불러오기

root-context.xml
DB접속을 위한 bean 3개 추가 되어 있음(스프링으로 DB연결)

controller, dao, service
테이블당 각각 만들어야 한다. ex) emp, dept

dao
SQL문 실행을 위한 @Autowired
@Autowired
private SqlSessionTemplate sst;
@Autowired
private SqlSessionTemplate st;

deptList.jsp(부서입력)-> DeptController

	@RequestMapping("deptInsertForm.do")
	public String deptInsertForm() {
		return "deptInsertForm";
	}

deptInsertForm.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<div class="container" align="center">
		<h2 class="text-primary">부서정보 입력</h2>
		<form action="deptInsert.do" method="post">
			<table class="table table-hover">
				<tr>
					<td>부서코드</td>
					<td><input type="number" maxlength="2" name="deptno"
						required="required" autofocus="autofocus"></td>
				</tr>
				<tr>
					<td>부서명</td>
					<td><input type="text" name="dname" required="required"></td>
				</tr>
				<tr>
					<td>근무지</td>
					<td><input type="text" name="loc" required="required"></td>
				</tr>
				<tr>
					<td colspan="2"><input type="submit" value="확인"></td>
				</tr>
			</table>
		</form>
	</div>
</body>
</html>

DeptController(중복확인)

	@RequestMapping("deptInsert.do")
	public String deptInsert(@ModelAttribute Dept dept, 
			                 Model model) {
		System.out.println("deptno:"+dept.getDeptno());
		
		Dept dt = ds.select(dept.getDeptno());
		if (dt == null) {	// 중복된 부서 없음
			int result = ds.insert(dept);
			model.addAttribute("result", result);
		} else {			// 중복된 부서 있음
			model.addAttribute("msg", "이미 있는 데이터입니다");
			model.addAttribute("result", -1);
		}
		return "deptInsert";
	}

deptInsert.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<c:if test="${result > 0 }">
		<script type="text/javascript">
			alert("입력 성공");
			location.href = "deptList.do";
		</script>
	</c:if>
	<c:if test="${result == 0 }">
		<script type="text/javascript">
			alert("입력 실패");
			history.go(-1);
		</script>
	</c:if>
	<c:if test="${result == -1 }">
		<script type="text/javascript">
			alert("${msg}");
			history.go(-1);
		</script>
	</c:if>
</body>
</html>

deptList.jsp(전체 직원목록)-> EmpController

	@RequestMapping("empAllList.do")
	public String empAllList(Model model) {
		List<Emp> list = es.empAllList();
		model.addAttribute("list", list);
		return "emp/empAllList";
	}

서비스-> dao-> Emp.xml-> empAllList.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<div class="container">
		<table class="table table-striped">
			<tr>
				<td>사번</td>
				<td>이름</td>
				<td>업무</td>
				<td>급여</td>
				<td>부서코드</td>
				<td>부서명</td>
				<td>근무지</td>
			</tr>
			<c:forEach var="emp" items="${list }">
				<tr>
					<td>${emp.empno }</td>
					<td>${emp.ename }</td>
					<td>${emp.job }</td>
					<td>${emp.sal }</td>
					<td>${emp.deptno }</td>
					<td>${emp.dname }</td>
					<td>${emp.loc }</td>
				</tr>
			</c:forEach>
		</table>
		<a href="deptList.do" class="btn btn-default">부서목록</a>
	</div>
</body>
</html>

부서명 클릭(상세페이지 이동)-> EmpController

	@RequestMapping("empList.do")
	public String empList(int deptno, Model model) {
		Dept dept = ds.select(deptno);
		List<Emp> list = es.list(deptno);
		model.addAttribute("dept", dept);
		model.addAttribute("list", list);
		return "emp/empList";
	}

empList.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	$(function() {
		$('#list').load('deptList.do');
	});
</script>
</head>
<body>
	<div class="container" align="center">
		<h2 class="text-primary">${dept.dname}직원목록</h2>
		<table class="table table-striped">
			<tr>
				<td>사번</td>
				<td>이름</td>
				<td>업무</td>
				<td>급여</td>
				<td>부서코드</td>
			</tr>
			<tr>
				<c:if test="${empty list }">
					<tr>
						<td colspan="5">직원이 없는 부서입니다</td>
					</tr>
				</c:if>
				<c:if test="${not empty list }">
					<c:forEach var="emp" items="${list }">
						<tr>
							<td>${emp.empno }</td>
							<td><a href="empView.do?empno=${emp.empno}"
								   class="btn btn-info">${emp.ename}</a></td>
							<td>${emp.job}</td>
							<td>${emp.sal}</td>
							<td>${emp.deptno}</td>
						</tr>
					</c:forEach>
				</c:if>
		</table>
		<a href="deptList.do" class="btn btn-success">부서목록</a> 
		<a href="empInsertForm.do" class="btn btn-success">직원 입력</a>
		<div id="list"></div>
	</div>
</body>
</html>

직원입력-> EmpController

	@RequestMapping("empInsertForm.do")
	public String empInsertForm(Model model) {
		List<Dept> deptList = ds.list();
		List<Emp> empList = es.empList();
		model.addAttribute("deptList", deptList);
		model.addAttribute("empList", empList);
		return "emp/empInsertForm";
	}

empInsertForm.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	$(function() {
		$('#dupCheck').click(function() {
			var empno = $('#empno').val();
			if (!empno) {
				alert('사번 입력후에 체크');
				$('#empno').focus();
				return false;
			}// $.post("요청이름","전달될 값","콜백함수");
			$.post('dupCheck.do', 'empno=' + empno, function(msg) {
				alert(msg);
			});
		});
	});
</script>
</head>
<body>
	<div class="container">
		<h2 class="text-primary">직원 등록</h2>
		<form action="empInsert.do" method="post">
			<table class="table table-bordered">
				<tr>
					<td>사번</td>
					<td><input type="number" name="empno" required="required"
							   id="empno" autofocus="autofocus"> 
						<input type="button" value="중복" id="dupCheck"></td>
				</tr>
				<tr>
					<td>이름</td>
					<td><input type="text" name="ename" required="required"></td>
				</tr>
				<tr>
					<td>업무</td>
					<td><input type="text" name="job" required="required"></td>
				</tr>
				<tr>
					<td>관리자</td>
					<td><select name="mgr">
							<c:forEach var="emp" items="${empList }">
								<option value="${emp.empno}">${emp.ename}</option>
							</c:forEach>
					    </select>
					</td>
				</tr>
				<tr>
					<td>입사일</td>
					<td><input type="date" name="hiredate" required="required"></td>
				</tr>
				<tr>
					<td>급여</td>
					<td><input type="number" name="sal" required="required"></td>
				</tr>
				<tr>
					<td>보너스</td>
					<td><input type="number" name="comm" required="required"></td>
				</tr>
				<tr>
					<td>부서코드</td>
					<td><select name="deptno">
							<c:forEach var="dept" items="${deptList }">
								<option value="${dept.deptno}">${dept.dname}</option>
							</c:forEach>
						</select>
					</td>
				</tr>
				<tr>
					<td colspan="2"><input type="submit" value="확인"></td>
				</tr>
			</table>
		</form>
	</div>
</body>
</html>

사번 중복검사(emp컨트롤러)

	// 사번 중복검사
	@RequestMapping("dupCheck.do")
	public String dupCheck(int empno, Model model) {
		System.out.println("empno:"+empno);
		Emp emp = es.select(empno);
		String msg = "";
		if (emp != null)	// 중복 사번
			msg = "이미 있는 데이터입니다";
		else				// 사용가능한 사번
			msg = "사용 가능한 사번 입니다";
		model.addAttribute("msg", msg);
		return "emp/dupCheck";
	}

직원등록(emp컨트롤러)

	// 직원 등록
	@RequestMapping("empInsert.do")
//	public String empInsert(Emp emp, String hiredate1, Model model) {
	public String empInsert(Emp emp, Model model) {
//		emp.setHiredate(Date.valueOf(hiredate1)); // String -> Date 형변환
		int result = es.insert(emp);
		model.addAttribute("result", result);
		model.addAttribute("deptno", emp.getDeptno());
		return "emp/empInsert";
	}

empInsert.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<c:if test="${result > 0 }">
		<script type="text/javascript">
			alert("입력 성공");
			location.href = "empList.do?deptno=${deptno}";
		</script>
	</c:if>
	<c:if test="${result <= 0 }">
		<script type="text/javascript">
			alert("입력 실패");
			history.go(-1);
		</script>
	</c:if>
</body>
</html>

직원 상세정보(emp컨트롤러)

	// 직원 상세
	@RequestMapping("empView.do")
	public String empView(int empno, Model model) {
		Emp emp = es.select(empno);
		model.addAttribute("emp", emp);
		return "emp/empView";
	}

empView.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
	$(function() {
		$('#list').load('empList.do?deptno=${emp.deptno}');
	});
</script>
</head>
<body>
	<div class="container">
		<h2 class="text-primary">직원 상세정보</h2>
		<table class="table table-bordered">
			<tr>
				<td>사번</td>
				<td>${emp.empno }</td>
			</tr>
			<tr>
				<td>이름</td>
				<td>${emp.ename}</td>
			</tr>
			<tr>
				<td>업무</td>
				<td>${emp.job }</td>
			</tr>
			<tr>
				<td>관리자</td>
				<td>${emp.mgr }</td>
			</tr>
			<tr>
				<td>입사일</td>
				<td>${emp.hiredate }</td>
			</tr>
			<tr>
				<td>급여</td>
				<td>${emp.sal }</td>
			</tr>
			<tr>
				<td>보너스</td>
				<td>${emp.comm }</td>
			</tr>
			<tr>
				<td>부서코드</td>
				<td>${emp.deptno }</td>
			</tr>
		</table>
		<a href="empUpdateForm.do?empno=${emp.empno}" class="btn btn-info">수정</a>
		<a class="btn btn-danger" href="empDelete.do?empno=${emp.empno}">삭제</a>
		<a href="empList.do?deptno=${emp.deptno}" class="btn btn-default">목록</a>
		<div id="list"></div>
	</div>
</body>
</html>

직원 수정폼(emp컨트롤러)

	@RequestMapping("empUpdateForm.do")
	public String empUpdateForm(int empno, Model model) {
		Emp emp = es.select(empno);
		List<Dept> deptList = ds.list();
		model.addAttribute("emp", emp);
		model.addAttribute("deptList", deptList);
		return "emp/empUpdateForm";
	}

empUpdateForm.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<div class="container" align="center">
		<h2 class="text-primary">직원정보 수정</h2>
		<form action="empUpdate.do" method="post">
			<table class="table table-bordered">
				<tr>
					<td>사번</td>
					<td><input type="text" name="empno" readonly="readonly"
						value="${emp.empno}"></td>
				</tr>
				<tr>
					<td>이름</td>
					<td><input type="text" name="ename" required="required"
						value="${emp.ename }"></td>
				</tr>
				<tr>
					<td>업무</td>
					<td><input type="text" name="job" required="required"
						value="${emp.job }"></td>
				</tr>
				<tr>
					<td>급여</td>
					<td><input type="text" name="sal" required="required"
						value="${emp.sal}"></td>
				</tr>
				<tr>
					<td>보너스</td>
					<td><input type="text" name="comm" required="required"
						value="${emp.comm }"></td>
				</tr>
				<tr>
					<td>부서코드</td>
					<td><select name="deptno">
							<c:forEach var="dept" items="${deptList}">
								<c:if test="${emp.deptno==dept.deptno}">
									<option value="${dept.deptno}" selected="selected">
										${dept.dname}(${dept.deptno})</option>
								</c:if>
								<c:if test="${emp.deptno!=dept.deptno}">
									<option value="${dept.deptno}">${dept.dname}(${dept.deptno})</option>
								</c:if>
							</c:forEach>
					</select></td>
				</tr>
				<tr>
					<td colspan="2"><input type="submit" value="수정"></td>
				</tr>
			</table>
		</form>
	</div>
</body>
</html>

사원 정보 수정(emp컨트롤러)

	// 사원 정보 수정
	@RequestMapping("empUpdate.do")
	public String empUpdate(Emp emp, Model model) {
		int result = es.update(emp);
		model.addAttribute("deptno", emp.getDeptno());
		model.addAttribute("result", result);
		return "emp/empUpdate";
	}

empUpdate.jsp

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

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<c:if test="${result > 0 }">
		<script type="text/javascript">
			alert("수정 성공");
			location.href = "empList.do?deptno=${deptno}";
		</script>
	</c:if>
	<c:if test="${result <= 0 }">
		<script type="text/javascript">
			alert("수정 실패");
			history.go(-1);
		</script>
	</c:if>
</body>
</html>
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