From 6e18cf2118a64d3e080e32000eecbe297ee4bf97 Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Thu, 27 Jul 2023 15:31:47 +0800
Subject: [PATCH] =?UTF-8?q?=E6=95=B0=E7=BB=84=E7=B1=BB=E7=9A=84=E5=B0=81?=
 =?UTF-8?q?=E8=A3=85?=
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---
 day4/ec1/Makefile        | 34 ++++++++++++++++++++++++++
 day4/ec1/MyArray.cpp     | 53 ++++++++++++++++++++++++++++++++++++++++
 day4/ec1/MyArray.h       | 24 ++++++++++++++++++
 day4/ec1/TestMyArray.cpp | 23 +++++++++++++++++
 day4/ec1/TestMyArray.h   |  8 ++++++
 day4/ec1/main.cpp        |  8 ++++++
 6 files changed, 150 insertions(+)
 create mode 100644 day4/ec1/Makefile
 create mode 100644 day4/ec1/MyArray.cpp
 create mode 100644 day4/ec1/MyArray.h
 create mode 100644 day4/ec1/TestMyArray.cpp
 create mode 100644 day4/ec1/TestMyArray.h
 create mode 100644 day4/ec1/main.cpp

diff --git a/day4/ec1/Makefile b/day4/ec1/Makefile
new file mode 100644
index 0000000..3bf55d8
--- /dev/null
+++ b/day4/ec1/Makefile
@@ -0,0 +1,34 @@
+# 定义路径变量
+SRC_DIR = ./
+OBJ_DIR = ./
+BIN_DIR = ./
+
+# 定义编译器
+CC = g++
+# 定义目标文件
+TARGET = $(BIN_DIR)/a.out
+# 定义源文件
+SRCS =  $(wildcard $(SRC_DIR)/*.cpp)
+# OBJS =  $(OBJ_DIR)/lrc.o $(OBJ_DIR)/console.o $(OBJ_DIR)/start_mplayer.o $(OBJ_DIR)/time_delay.o $(OBJ_DIR)/main.o
+OBJS = $(patsubst $(SRC_DIR)/%.cpp, $(OBJ_DIR)/%.o, $(SRCS))
+
+# 编译规则
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
+	$(CC) -c $< -o $@ -std=c++11 
+
+# 链接规则
+$(TARGET): $(OBJS)
+	$(CC) $^ -o $@  -std=c++11
+
+# 默认构建目标
+all: $(TARGET)
+
+# 创建目录
+$(shell mkdir -p $(OBJ_DIR) $(BIN_DIR))
+
+# 清理规则
+clean:
+	rm -rf $(OBJ_DIR)/*.o $(TARGET)
+
+# 伪目标
+.PHONY: all clean
\ No newline at end of file
diff --git a/day4/ec1/MyArray.cpp b/day4/ec1/MyArray.cpp
new file mode 100644
index 0000000..d12a4a0
--- /dev/null
+++ b/day4/ec1/MyArray.cpp
@@ -0,0 +1,53 @@
+#include "MyArray.h"
+
+MyArray::MyArray()
+{
+    this->mCapacity = 100;
+    this->mSize = 0;
+    this->pAdress = new int[this->mCapacity]; // 在堆开辟空间
+}
+
+// 有参构造函数，用户指定容量初始化
+MyArray::MyArray(int capacity)
+{
+    this->mCapacity = capacity;
+    this->mSize = 0;
+    this->pAdress = new int[mCapacity]; // 在堆开辟空间
+}
+
+// 根据位置添加元素
+void MyArray::SetData(int pos, int val)
+{
+    if (pos < 0 || pos > mCapacity - 1)
+        return;         // 位置超出数组范围
+    pAdress[pos] = val; // 当位置合法时，在该位置传入值 val
+}
+
+// 获得指定位置数据
+int MyArray::GetData(int pos)
+{
+    return pAdress[pos];
+}
+
+// 尾插法
+void MyArray::PushBack(int val)
+{
+    if (mSize >= mCapacity)
+        return;
+
+    this->pAdress[mSize] = val;
+    this->mSize++;
+}
+
+// 获得长度
+int MyArray::GetLength()
+{
+    return this->mSize;
+}
+
+// 析构函数，释放数组空间
+MyArray::~MyArray()
+{
+    if (this->pAdress != nullptr)
+        delete[] this->pAdress;
+}
\ No newline at end of file
diff --git a/day4/ec1/MyArray.h b/day4/ec1/MyArray.h
new file mode 100644
index 0000000..d40a522
--- /dev/null
+++ b/day4/ec1/MyArray.h
@@ -0,0 +1,24 @@
+// 数组类封装
+#ifndef MYARRAY_H
+#define MYARRAY_H
+
+class MyArray
+{
+public:
+    MyArray();                      // 无参构造函数，用户没有指定容量，则初始化为100
+    explicit MyArray(int capacity); // 有参构造函数，用户指定容量初始化
+    ~MyArray();                     // 析构函数，释放数组空间
+
+public:
+    void SetData(int pos, int val); // 根据位置添加元素
+    int GetData(int pos);           // 获取指定位置数据
+    void PushBack(int val);         // 尾插法
+    int GetLength();                // 获得长度
+
+private:
+    int mCapacity; // 数组一共可容纳多少个元素
+    int mSize;     // 当前有多少个元素
+    int *pAdress;  // 指向存储数据的空间
+};
+
+#endif
\ No newline at end of file
diff --git a/day4/ec1/TestMyArray.cpp b/day4/ec1/TestMyArray.cpp
new file mode 100644
index 0000000..0a34c46
--- /dev/null
+++ b/day4/ec1/TestMyArray.cpp
@@ -0,0 +1,23 @@
+#include "TestMyArray.h"
+#include <iostream>
+
+using namespace std;
+
+void test() // 测试方法
+{
+    MyArray myarray(50); // 创建 50 个容量大小的数组
+    //数组中插入元素
+    for (int i = 0; i < 50; i++)
+    {
+        // 尾插法
+        myarray.PushBack(i);
+        // myarray.SetData(i, i * 2);
+    }
+
+    // 打印数组元素
+    for (int i = 0; i < myarray.GetLength(); i++)
+    {
+        cout << myarray.GetData(i) << " ";
+    }
+    cout << endl;
+}
\ No newline at end of file
diff --git a/day4/ec1/TestMyArray.h b/day4/ec1/TestMyArray.h
new file mode 100644
index 0000000..482bd44
--- /dev/null
+++ b/day4/ec1/TestMyArray.h
@@ -0,0 +1,8 @@
+#ifndef __TEST_MY_ARRAY_H__
+#define __TEST_MY_ARRAY_H__
+
+#include "MyArray.h"
+
+void test(); // 测试方法
+
+#endif
\ No newline at end of file
diff --git a/day4/ec1/main.cpp b/day4/ec1/main.cpp
new file mode 100644
index 0000000..5981c43
--- /dev/null
+++ b/day4/ec1/main.cpp
@@ -0,0 +1,8 @@
+#include "TestMyArray.h"
+
+int main()
+{
+    test();
+
+    return 0;
+}
\ No newline at end of file