1.update README

2.密码不用明文存储

src/main/java/cn/mafangui/hotel/controller/UserController.java

@@ -23,7 +23,7 @@ public class UserController {
      */
     @RequestMapping(method = RequestMethod.POST,value = "/login")
     public int userLogin(String username,String password){
-        int result = 0;
+        int result;
         if (username == null | username == "" | password == null | password == ""){
             return -1;
         }

src/main/java/cn/mafangui/hotel/service/impl/UserServiceImpl.java

@@ -3,6 +3,7 @@ package cn.mafangui.hotel.service.impl;
 import cn.mafangui.hotel.entity.User;
 import cn.mafangui.hotel.mapper.UserMapper;
 import cn.mafangui.hotel.service.UserService;
+import cn.mafangui.hotel.utils.MD5Utils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -20,11 +21,13 @@ public class UserServiceImpl implements UserService {
 
     @Override
     public int addUser(User user) {
+        user.setPassword(MD5Utils.MD5Encode(user.getPassword()));
         return userMapper.insertSelective(user);
     }
 
     @Override
     public int insertUser(User user) {
+        user.setPassword(MD5Utils.MD5Encode(user.getPassword()));
         return userMapper.insert(user);
     }
 
@@ -40,7 +43,8 @@ public class UserServiceImpl implements UserService {
 
     @Override
     public User selectByUsernameAndPassword(String username, String password) {
-        return userMapper.selectByUsernameAndPassword(username,password);
+        String pass = MD5Utils.MD5Encode(password);
+        return userMapper.selectByUsernameAndPassword(username,pass);
     }
 
     @Override

src/main/java/cn/mafangui/hotel/utils/MD5Utils.java

@@ -0,0 +1,60 @@
+package cn.mafangui.hotel.utils;
+
+import java.security.MessageDigest;
+
+public class MD5Utils {
+
+    private static final String hexDigIts[] = {"0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"};
+
+    /**
+     * MD5加密
+     * @param origin 字符
+     * @param charsetname 编码
+     * @return
+     */
+    public static String MD5Encode(String origin, String charsetname){
+        String resultString = null;
+        try{
+            resultString = new String(origin);
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            if(null == charsetname || "".equals(charsetname)){
+                resultString = byteArrayToHexString(md.digest(resultString.getBytes()));
+            }else{
+                resultString = byteArrayToHexString(md.digest(resultString.getBytes(charsetname)));
+            }
+        }catch (Exception e){
+        }
+        return resultString;
+    }
+
+    public static String MD5Encode(String origin){
+        String resultString = null;
+        try{
+            resultString = origin;
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            resultString = byteArrayToHexString(md.digest(resultString.getBytes("utf8")));
+        }catch (Exception e){
+        }
+        return resultString;
+    }
+
+
+    public static String byteArrayToHexString(byte b[]){
+        StringBuffer resultSb = new StringBuffer();
+        for(int i = 0; i < b.length; i++){
+            resultSb.append(byteToHexString(b[i]));
+        }
+        return resultSb.toString();
+    }
+
+    public static String byteToHexString(byte b){
+        int n = b;
+        if(n < 0){
+            n += 256;
+        }
+        int d1 = n / 16;
+        int d2 = n % 16;
+        return hexDigIts[d1] + hexDigIts[d2];
+    }
+
+}