封装文件操作类

fileReadWrite.cpp

@@ -6,29 +6,14 @@
 #include "iostream"
 #include "string"
 
-/*
-//空构造方法
-fileReadWrite::fileReadWrite() {
-    if (filePath.empty()) cout << "路径为空,请设置文件路径" << endl;
-    //初始化一些文件对象，便于openFile使用
-    this->readStream=new ifstream ;
-    this->writeStream=new ofstream ;
-    this->ReadWriteStream=new fstream ;
-
-}
-
-fileReadWrite::fileReadWrite(string path) : filePath(path) {
-    if (path.length() == 0) cout << "文件路径为空！";
-}*/
-
-fileReadWrite::fileReadWrite(char *path, ofstream *w) :
+fileReadWrite::fileReadWrite(string path, ofstream *w) :
         filePath(path), writeStream(w) {
     if (path == "") cout << "文件路径为空！";
 
 
 }
 
-fileReadWrite::fileReadWrite(char *path, ifstream *r) :
+fileReadWrite::fileReadWrite(string path, ifstream *r) :
         filePath(path), readStream(r) {
     if (path == "") cout << "文件路径为空！";
 }
@@ -51,7 +36,7 @@ void fileReadWrite::openFile(fileReadWrite::model model, bool display) {
                 return;
             }
 
-            writeStream->open(filePath, ios::app); //所有文件读追加到末尾
+            writeStream->open(filePath); //所有文件读追加到末尾
             //从控制台接收数据，敲击回车键结束输入
             cout << "请输入要保存到文中的名字，不超过100个字符，按下回车键结束输入！" << endl;
             cin.getline(c, 100); //接收输入
@@ -72,7 +57,7 @@ void fileReadWrite::openFile(fileReadWrite::model model, bool display) {
                 return;
             }
 
-            writeStream->open(filePath, ios::in); //读模式打开
+            readStream->open(filePath); //读模式打开
             //把输入的字符写入到文件中
             readStream->read(c, 100); //最大读取100个字符，并存储在char数组中
             cout << "读取的文件完毕！：" << endl;
@@ -96,7 +81,7 @@ void fileReadWrite::openFile(fileReadWrite::model model, bool display) {
 
             if (flag == 0) {
                 //写入文件
-                ReadWriteStream->open(filePath, ios::app);
+                ReadWriteStream ->open(filePath,ios::app);
                 //从控制台接收数据，敲击回车键结束输入
                 cout << "请输入要保存到文中的名字，不超过100个字符，按下回车键结束输入！" << endl;
                 cin.getline(c, 100); //接收输入
@@ -106,7 +91,7 @@ void fileReadWrite::openFile(fileReadWrite::model model, bool display) {
 
             } else if (flag == 1) {
                 //开始读取
-                ReadWriteStream->open(filePath, ios::in); //读模式打开
+                ReadWriteStream->open(filePath,ios::in); //读模式打开
                 //把输入的字符写入到文件中
                 ReadWriteStream->read(c, 100); //最大读取100个字符，并存储在char数组中
                 cout << "读取的文件完毕，内容为：" << c << endl;
@@ -127,6 +112,6 @@ void fileReadWrite::close() {
     if (ReadWriteStream != nullptr) ReadWriteStream->close();
 }
 
-fileReadWrite::fileReadWrite(char *path, fstream *w) : filePath(path), ReadWriteStream(w) {
+fileReadWrite::fileReadWrite(string path, fstream *w) : filePath(path), ReadWriteStream(w) {
 
 }

fileReadWrite.h

@@ -13,7 +13,7 @@ using namespace std;
 //文件的读取与写入
 class fileReadWrite {
 public:
-    char* filePath;  //文件路径
+    string filePath;  //文件路径
 
     enum model {
         read, write, readWrite
@@ -28,9 +28,9 @@ public:
     /*fileReadWrite();
     fileReadWrite(string path);*/
 
-    fileReadWrite(char* path,ofstream *writeStream);
-    fileReadWrite(char* path,ifstream *readStream);
-    fileReadWrite(char* path,fstream *ReadWriteStream);
+    fileReadWrite(string path,ofstream *writeStream);
+    fileReadWrite(string path,ifstream *readStream);
+    fileReadWrite(string path,fstream *ReadWriteStream);
 
     void openFile(model model, bool display);  //打开文件,参数的含义是选择文件的操作模式、文件内容输出目的地
     void close(); //关闭文件

main.cpp

 #include <iostream>
+#include <vector>
 #include "fileReadWrite.h"
 
 using namespace std;
@@ -7,22 +8,27 @@ using namespace std;
 int main() {
 
     //文件路径: 在本项目路径下新建一个文本文件叫test.txt
-    string filePath = "test.txt";
-    ifstream infile;
-    infile.open(filePath, ios::in);
-    if (!infile.is_open())
-    {
-        cout << "读取文件失败" << endl;
-    }
-    //第二种读取方法
-    char buf[1024];
-    while (infile.getline(buf,sizeof(buf)))
-    {
-        cout << buf << endl;
-    }
-
-    cout<<buf<<endl;
+    string filePath = "..\\test.txt"; //注意文件路径的写法，因为当前的程序编译路径不一致，所有需要用两个点回退到父级目录才能找到
 
+    //初始化读写文件对象
+    ifstream *in=new ifstream ;
+    ofstream *on=new ofstream ;
+    fstream  *io=new fstream ;
+
+    //初始化读文件封装类对象
+    /*fileReadWrite *frw=new fileReadWrite(filePath,in);
+    frw->openFile(fileReadWrite::read, true);
+    frw->close();*/
+
+    //初始化写文件封装类对象
+   /* fileReadWrite *fwr2=new fileReadWrite(filePath,on);
+    fwr2->openFile(fileReadWrite::write, true);
+    fwr2->close();*/
+
+   //初始化读写文件封装类对象
+    fileReadWrite *fwr3=new fileReadWrite(filePath,io);
+    fwr3->openFile(fileReadWrite::readWrite, true);
+    fwr3->close();
 
     return 0;
 }