debug

修复接口层的逻辑错误

Author: cohhi

jian/src/main/java/com/springboot/jian/JianApplication.java

@@ -5,11 +5,10 @@
 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
 
 @SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
-public class
-JianApplication {
+public class JianApplication {
 
     public static void main(String[] args) {
         SpringApplication.run(JianApplication.class, args);
     }
 
-}
+}

jian/src/main/java/com/springboot/jian/controller/borrowing.java

@@ -16,27 +16,37 @@ public int borrowing(
             @RequestParam String book,
             @RequestParam String user
     ) throws IOException {
+        boolean bookMessage = false;
+        boolean userMessage = false;
         int result = 0;
 //        这三个是三大金刚
         BorrowingMessage borrowingMessage = new BorrowingMessage();
-        selectAllBookMessage selectAllBookMessage = new selectAllBookMessage();
         selectAllUserMessage selectAllUserMessage = new selectAllUserMessage();
 
 //        判断图书是否存在
-        for (int i = 0; i < selectAllBookMessage.selectAllBook().size(); i++) {
-            if (selectAllBookMessage.selectAllBook().get(i) == book) {
-//                判断用户是否存在
-                for (int j = 0; j < selectAllUserMessage.selectAllUser().size(); j++) {
-                    if (selectAllUserMessage.selectAllUser().get(j) == user) {
-                        result = borrowingMessage.Borrowing(book, user);
-                    } else {
-                        result = -2;
-                    }
-                }
-            } else {
-                result = -1;
+        for (int i = 0; i < com.springboot.jian.service.selectAllBookMessage.selectAllBook().size(); i++) {
+            if (com.springboot.jian.service.selectAllBookMessage.selectAllBook().get(i).equals(book)) {
+                bookMessage=true;
+                break;
             }
         }
+//        判断用户是否存在
+        for (int j = 0; j < selectAllUserMessage.selectAllUser().size(); j++) {
+            if (selectAllUserMessage.selectAllUser().get(j) == user) {
+                borrowingMessage.Borrowing(book, user);
+                userMessage=true;
+                break;
+            }
+        }
+        if(!bookMessage){
+            result=-1;
+        }
+        if(!userMessage){
+            result=-2;
+        }
+        if(bookMessage && userMessage){
+            result=1;
+        }
         return result;
     }
 

jian/src/main/java/com/springboot/jian/service/selectAllBookMessage.java

@@ -11,7 +11,7 @@
 import java.util.List;
 //查询所有图书书名
 public class selectAllBookMessage {
-    public List<Object> selectAllBook() throws IOException {
+    public static List<Object> selectAllBook() throws IOException {
         // 用于接收数据
         List<Object> arrayList = new ArrayList<>();
         // 创建 SqlSessionFactoryBuilder 对象