save code

2026-05-16 12:05:04 +08:00
parent a169ceb263
commit d092dfb4a6
23 changed files with 2291 additions and 1343 deletions
@@ -0,0 +1,98 @@
+// =====================================================================
+// 第 4 课：十连抽 —— 老师完整答案
+// =====================================================================
+
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Button.H>
+#include <FL/Fl_Box.H>
+#include <cstdio>
+#include <cstdlib>
+#include <ctime>
+#include <string>
+
+Fl_Box *result_box;
+Fl_Box *info_box;
+
+void draw_one_callback(Fl_Widget *w, void *data) {
+    int r = std::rand() % 100;
+
+    char info[50];
+    std::sprintf(info, "单抽  |  点数：%d", r);
+    info_box->label(info);
+
+    if (r < 70) {
+        result_box->label("☆ 普通卡 ☆");
+        result_box->labelcolor(fl_rgb_color(128, 128, 128));
+    } else if (r < 95) {
+        result_box->label("★ 稀有卡 ★");
+        result_box->labelcolor(FL_BLUE);
+    } else {
+        result_box->label("★★★ 超稀有卡！！ ★★★");
+        result_box->labelcolor(FL_RED);
+    }
+    result_box->labelsize(28);
+}
+
+void draw_ten_callback(Fl_Widget *w, void *data) {
+    std::string all = "";
+    int rare_count = 0;
+    int super_count = 0;
+
+    for (int i = 1; i <= 10; i++) {
+        int r = std::rand() % 100;
+        all += "第" + std::to_string(i) + "抽：";
+
+        if (r < 70) {
+            all += "普通";
+        } else if (r < 95) {
+            all += "★稀有★";
+            rare_count++;
+        } else {
+            all += "★★★超稀有★★★";
+            super_count++;
+        }
+        all += "\n";
+    }
+
+    char stats[100];
+    std::sprintf(stats, "十连抽结果  |  稀有：%d  超稀有：%d",
+                 rare_count, super_count);
+    info_box->label(stats);
+    if (super_count > 0) {
+        info_box->labelcolor(FL_RED);
+    } else if (rare_count > 0) {
+        info_box->labelcolor(FL_BLUE);
+    } else {
+        info_box->labelcolor(fl_rgb_color(128, 128, 128));
+    }
+
+    result_box->labelsize(16);
+    result_box->label(all.c_str());
+    result_box->labelcolor(FL_BLACK);
+}
+
+int main() {
+    std::srand(std::time(nullptr));
+
+    Fl_Window *window = new Fl_Window(420, 480, "抽卡世界 - 第4课");
+
+    Fl_Button *btn1 = new Fl_Button(50, 20, 140, 50, "抽一张");
+    btn1->labelsize(18);
+    btn1->callback(draw_one_callback);
+
+    Fl_Button *btn10 = new Fl_Button(230, 20, 140, 50, "十连抽");
+    btn10->labelsize(18);
+    btn10->callback(draw_ten_callback);
+
+    info_box = new Fl_Box(30, 80, 360, 30, "");
+    info_box->labelsize(14);
+
+    result_box = new Fl_Box(30, 120, 360, 330, "点击按钮开始抽卡！");
+    result_box->labelsize(20);
+    result_box->align(FL_ALIGN_TOP | FL_ALIGN_LEFT);
+
+    window->end();
+    window->show();
+    return Fl::run();
+}