/**
* 管理员对注册人员进行管理
*
* @return
*/
public String registerManage() {
init();
registers = new ArrayList<Register>();
int pageNow = 1;
int pageCount = 0;
int pageSize = 10;
if (request.getParameter("pageNow") != null) {
pageNow = Integer.parseInt(request.getParameter("pageNow"));
}
registers = personService.getList(Register.class, pageSize * (pageNow - 1), pageSize, null);
pageCount = personService.getPageCount(Register.class, pageSize);
request.setAttribute("registers", registers);
request.setAttribute("pageCount", pageCount);
request.setAttribute("pageNow", pageNow);
return "registerManageSuccess";
}
/**
* 管理员对学生进行管理
*
* @return
*/
public String studentManage() {
init();
students = new ArrayList<Student>();
int pageNow = 1;
int pageCount = 0;
int pageSize = 10;
if (request.getParameter("pageNow") != null) {
pageNow = Integer.parseInt(request.getParameter("pageNow"));
}
students = personService.getList(Student.class, pageSize * (pageNow - 1), pageSize, null);
pageCount = personService.getPageCount(Student.class, pageSize);
request.setAttribute("students", students);
request.setAttribute("pageCount", pageCount);
request.setAttribute("pageNow", pageNow);
return "studentManageSuccess";
}
/**
* 添加一个教师信息
*
* @return
*/
public String addT() throws Exception {
if (pictureUpload() != null) {
teacher.setPictureUrl(pictureUpload());
}
personService.saveTeacher(teacher);
request.setAttribute("SUCCESS", "添加教师成功");
return "addSuccess";
}
/**
* 添加一个注册人员信息
*
* @return
* @throws Exception
*/
public String addR() throws Exception {
init();
if (pictureUpload() != null) {
register.setImageUrl(pictureUpload());
}
personService.saveReister(register);
request.setAttribute("SUCCESS", "添加注册人员成功");
return "addSuccess";
}
/**
* 添加一个学生信息
*
* @return
* @throws Exception
*/
public String addS() throws Exception {
init();
if (pictureUpload() != null) {
student.setImageUrl(pictureUpload());
}
personService.saveStudent(student);
request.setAttribute("SUCCESS", "添加学生成功");
return "addSuccess";
}
/**
* 处理添加管理员
*
* @return
*/
public String addM() {
init();
String userid = request.getParameter("userid");
String username = request.getParameter("username");
String userpass = request.getParameter("userpass");
personService.saveManager(userid, username, userpass);
request.setAttribute("SUCCESS", "添加管理员成功");
return "addSuccess"; // 这里依然返回添加人员页面
}
/**
* 删除一条记录
*
* @return
*/
public String deleteOne() {
init();
String id = request.getParameter("id");
Integer type = Integer.parseInt(request.getParameter("type"));
try {
personService.deleteOne(id, type);
response.getWriter().write("ok");
response.flushBuffer();
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
return NONE;
}
/**
* 检查ID是否可用
*
* @return
*/
public String checkID() {
init();
String userID = request.getParameter("id");
Integer userType = Integer.parseInt(request.getParameter("type"));
if (personService.checkID(userID, userType)) {
try {
response.getWriter().write("ok");
response.flushBuffer();
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
}
return NONE;
}
/**
* 处理教师信息的修改
*
* @return
* @throws IOException
* @throws Exception
*/
public String updateTDeal() throws Exception {
init();
if (pictureUpload() != null) {
teacher.setPictureUrl(pictureUpload());
if (oldPicturePath != null) { // 设置了新的图片就删除原来的图片
File file = new File(oldPicturePath);
if (file.exists()) {
file.delete();
}
}
}
personService.updateTeacher(teacher);
response.getWriter().write("<script type='text/javascript'> alert('修改教师信息成功')</script>");
response.flushBuffer();
response.getWriter().close();
return NONE;
}
public String deleteChecked() {
init();
Integer type = Integer.parseInt(request.getParameter("type"));
String resoult = request.getParameter("resoult");
String[] strings = resoult.split(",");
try {
for (String string : strings) {
personService.deleteOne(string, type);
}
response.getWriter().write("ok");
response.flushBuffer();
response.getWriter().close();
} catch (IOException e) {
e.printStackTrace();
}
return NONE;
}
/**
* 对注册人员信息的修改，可以是注册人员本身或者管理员
*
* @return
*/
public String updateR() {
init();
String registerId = request.getParameter("registerId"); // 从请求参数过来的是老师更改
if (registerId == null) {
registerId = request.getSession().getAttribute("USER_ID").toString(); // 从session获得的是注册人员更改的
}
Register register = personService.getRegister(registerId);
request.setAttribute("register", register);
String imageUrl = register.getImageUrl();
if (imageUrl != null) {
oldPicturePath = imageUrl;
imageUrl = imageUrl.substring(imageUrl.lastIndexOf("\\") + 1);
String relativeUrl = "File/images/" + imageUrl;
register.setImageUrl(relativeUrl);
}
return "updateRSuccess";
}
/**
* 对教师信息的修改，可以是教师本身或者管理员
*
* @return
*/
public String updateT() {
init();
String teacherId = request.getParameter("teacherId"); // 从请求参数过来的是老师更改
if (teacherId == null) {
teacherId = request.getSession().getAttribute("USER_ID").toString(); // 从session获得的是老师更改的
}
Teacher teacher = personService.getTeacher(teacherId);
String imageUrl = teacher.getPictureUrl(); // 服务器绝对地址
if (imageUrl != null) {
oldPicturePath = imageUrl; // 保存一个地址，用于和更新后的比较是否有变化，有变化就删除原来的图片
imageUrl = imageUrl.substring(imageUrl.lastIndexOf("\\") + 1);
String relativeUrl = "File/images/" + imageUrl; // 浏览器相对地址
teacher.setPictureUrl(relativeUrl);
}
request.setAttribute("teacher", teacher);
return "updateTSuccess";
}
/**
* 对学生信息的修改，可以是学生本身或者管理员
*
* @return
* @throws Exception
*/
public String updateS() throws Exception {
init();
String studentId = request.getParameter("studentId"); // 从请求参数过来的是老师更改
if (studentId == null) {
studentId = request.getSession().getAttribute("USER_ID").toString(); // 从session获得的是学生更改的
}
Student student = personService.getStudent(studentId);
String imageUrl = student.getImageUrl();
if (imageUrl != null) {
oldPicturePath = imageUrl;
imageUrl = imageUrl.substring(imageUrl.lastIndexOf("\\") + 1);
String relativeUrl = "File/images/" + imageUrl;
student.setImageUrl(relativeUrl);
}
request.setAttribute("student", student);
return "updateSSuccess";
}