[投稿] 添加脚本: 计算器 — by 今晚打老虎🐯

Author: jinwandalaohu66

script_library/scripts/ui/script_mmw6k09q.py

@@ -0,0 +1,144 @@
+import ui
+import re
+
+# 只允许安全的计算表达式
+_allowed_pattern = re.compile(r'^[0-9+\-*/().\s]+$')
+
+def safe_eval(expr: str):
+    expr = expr.strip()
+    if not expr:
+        return ''
+    if not _allowed_pattern.match(expr):
+        return 'Error'
+    try:
+        result = eval(expr, {"__builtins__": None}, {})
+        if isinstance(result, float):
+            return str(int(result)) if result.is_integer() else str(result)
+        return str(result)
+    except Exception:
+        return 'Error'
+
+
+class SimpleCalculator(ui.View):
+    def __init__(self, *args, **kwargs):
+        # 模拟“正常用户”：给一个典型根尺寸 320x480
+        super().__init__(frame=(0, 0, 320, 480), *args, **kwargs)
+
+        self.background_color = 'white'
+        self.name = '计算器(测试UI居中)'
+        self.expr = '0'
+
+        # 顶部显示区域 —— 占一点高度，不压得太高，也不太低
+        self.display = ui.Label()
+        self.display.frame = (16, 40, self.width - 32, 60)
+        self.display.alignment = ui.ALIGN_RIGHT
+        self.display.font = ('<System>', 32)
+        self.display.text = '0'
+        self.display.text_color = 'black'
+        self.display.background_color = None
+        self.add_subview(self.display)
+
+        # 按钮布局：整体放在中部偏下，但不是挤到最下面
+        buttons = [
+            ['C', '+/-', '%', '/'],
+            ['7', '8', '9', '*'],
+            ['4', '5', '6', '-'],
+            ['1', '2', '3', '+'],
+            ['0', '',   '.', '='],
+        ]
+
+        margin = 10
+        btn_w = (self.width - margin * 5) / 4.0
+        btn_h = 60
+        # 比你之前的 140 再往上提一点，整体更居中
+        start_y = 120
+
+        for row_index, row in enumerate(buttons):
+            for col_index, title in enumerate(row):
+                if title == '':
+                    continue
+
+                x = margin + col_index * (btn_w + margin)
+                y = start_y + row_index * (btn_h + margin)
+
+                # 0 键双倍宽度
+                if title == '0' and row_index == 4 and col_index == 0:
+                    width = btn_w * 2 + margin
+                else:
+                    width = btn_w
+
+                btn = ui.Button(title=title)
+                btn.frame = (x, y, width, btn_h)
+                btn.font = ('<System>', 24)
+                btn.corner_radius = 12
+
+                if title in ['C', '+/-', '%']:
+                    btn.background_color = '#a5a5a5'
+                    btn.tint_color = 'black'
+                elif title in ['/', '*', '-', '+', '=']:
+                    btn.background_color = '#ff9f0a'
+                    btn.tint_color = 'white'
+                else:
+                    btn.background_color = '#333333'
+                    btn.tint_color = 'white'
+
+                btn.action = self.button_tapped
+                self.add_subview(btn)
+
+    # 更新显示
+    def update_display(self):
+        self.display.text = self.expr
+
+    # 按钮事件
+    def button_tapped(self, sender):
+        text = sender.title
+
+        if text == 'C':
+            self.expr = '0'
+            self.update_display()
+            return
+
+        if text == '+/-':
+            if self.expr.startswith('-'):
+                self.expr = self.expr[1:]
+            else:
+                if self.expr != '0':
+                    self.expr = '-' + self.expr
+            self.update_display()
+            return
+
+        if text == '%':
+            val = safe_eval(self.expr)
+            if val not in ('Error', ''):
+                try:
+                    num = float(val) / 100.0
+                    self.expr = str(int(num)) if num.is_integer() else str(num)
+                except Exception:
+                    self.expr = 'Error'
+            else:
+                self.expr = 'Error'
+            self.update_display()
+            return
+
+        if text == '=':
+            result = safe_eval(self.expr)
+            self.expr = result if result != '' else '0'
+            self.update_display()
+            return
+
+        # 普通数字/符号输入
+        if self.expr == '0' and text in '0123456789':
+            self.expr = text
+        else:
+            self.expr += text
+
+        self.update_display()
+
+
+def main():
+    v = SimpleCalculator()
+    v.present('sheet')
+
+
+if __name__ == '__main__':
+    main()