更新了数据的存储方式，改为存储指针。

大作业/Tools.cpp

@@ -1,4 +1,5 @@
 #include "Tools.hpp"
+using namespace ConsoleColorTool;
 
 setoutputcolor::setoutputcolor(ConsoleColors _color)
     : color(_color), bold(false){};
@@ -30,6 +31,9 @@ std::ostream &operator<<(std::ostream &out, setoutputcolor setOutput) {
     case green:
         out << ";32m";
         break;
+    case brown:
+        out << ";33m";
+        break;
     case blue:
         out << ";34m";
         break;
@@ -59,6 +63,9 @@ std::ostream &operator<<(std::ostream &out, setbgcolor setbg) {
     case green:
         out << "\033[7;32m";
         break;
+    case brown:
+        out << "\033[7;33m";
+        break;
     case blue:
         out << "\033[7;34m";
         break;
@@ -84,4 +91,31 @@ setbgcolor::setbgcolor(ConsoleColors _color) : color(_color){};
 std::ostream &resetOutputColor(std::ostream &out) {
     out << setoutputcolor(clear);
     return out;
+}
+
+const std::string cutToLength(const std::string str, const int length) {
+    if (str.length() <= length) {
+        return str;
+    }
+    else {
+        return str.substr(0, length - 3) + "...";
+    }
+}
+
+const std::string setMiddle(const std::string str, const int targetLength, char fillChar) {
+    if (str.length() >= targetLength) {
+        return cutToLength(str, targetLength);
+    }
+    int left, right;
+    right = (targetLength - str.length()) / 2;
+    left = targetLength - str.length() - right;
+    std::string result;
+    for (int i = 0; i < left; i++) {
+        result += fillChar;
+    }
+    result += str;
+    for (int i = 0; i < right; i++) {
+        result += fillChar;
+    }
+    return result;
 }