写好节点插入和连接，支持有向图无向图，支持权

homework5/GraphExceptions/NodeIdOutOfRangeException.h

@@ -0,0 +1,25 @@
+// 这是一个异常，当用户给的节点id超出最大值时抛出
+
+#ifndef NODEIDOUTOFRANGEEXCEPTION_H
+#define NODEIDOUTOFRANGEEXCEPTION_H
+#include <exception>
+#include<string>
+
+class NodeIdOutOfRangeException : public std::exception{
+private:
+    std::string message;
+public:
+    NodeIdOutOfRangeException():message("You input id is out of range"){}
+    NodeIdOutOfRangeException(const std::string& msg) : message(msg) {}
+    NodeIdOutOfRangeException(const std::string& msg,int errCode):message(msg+"Err code: "+std::to_string(errCode)){}
+
+    virtual ~NodeIdOutOfRangeException() noexcept {}
+    virtual const char* what() const noexcept override {
+        return message.c_str();
+    }
+
+};
+
+
+
+#endif //NODEIDOUTOFRANGEEXCEPTION_H

homework5/GraphExceptions/SameNodeConnectException.h

@@ -0,0 +1,22 @@
+// 这是一个异常，当用户试图连接图中的两个相同节点时抛出
+
+#ifndef SAMENODECONNECTEXCEPTION_H
+#define SAMENODECONNECTEXCEPTION_H
+#include <exception>
+#include <string>
+
+
+class SameNodeConnectException : public std::exception{
+private:
+    std::string message;
+public:
+    SameNodeConnectException():message("Don't connect same node"){}
+    SameNodeConnectException(const std::string& msg) : message(msg) {}
+    SameNodeConnectException(const std::string& msg,int errCode):message(msg+"Err code: "+std::to_string(errCode)){}
+
+    virtual ~SameNodeConnectException() noexcept {}
+    virtual const char* what() const noexcept override {
+        return message.c_str();
+    }
+};
+#endif //SAMENODECONNECTEXCEPTION_H