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本帖最后由 vocan 于 2024-9-25 10:05 编辑
网页版代码,感谢反馈的BUG，在win7平台的IE11下发现问题是因为IE不支持 Array.from()，这是修正后的代码，[HTML] 纯文本查看 复制代码 <!DOCTYPE html>
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>色环电阻计算器</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
.color-box {
display: inline-block;
width: 50px;
height: 50px;
margin: 5px;
border: 1px solid #000;
}
#colorInputs {
margin-bottom: 20px;
}
</style>
</head>
<body>
<h1>色环电阻计算器</h1>
<label for="num_bands">选择色环数量：</label>
<select id="num_bands">
<option value="4">四色环</option>
<option value="5">五色环</option>
<option value="6">六色环</option>
</select>
<div id="colorInputs">
<label>选择颜色：</label>
<div id="colorInputFields"></div>
</div>
<button type="button">计算</button>
<h2>计算结果:</h2>
<p id="result"></p>
<div id="colorBlocks"></div>
<script>
const colorMap = {
"黑": 0, "棕": 1, "红": 2, "橙": 3,
"黄": 4, "绿": 5, "蓝": 6, "紫": 7,
"灰": 8, "白": 9, "金": 0, "银": 0
};
const toleranceMap = {
"黑": 0, "棕": 1, "红": 2, "橙": 3,
"黄": 4, "绿": 0.5, "蓝": 0.25, "紫": 0.1,
"灰": 0.05, "白": 0, "金": 5, "银": 10
};
function updateColorInputs() {
const numBands = document.getElementById('num_bands').value;
const colorInputFields = document.getElementById('colorInputFields');
colorInputFields.innerHTML = ''; // 清空已有输入框
for (let i = 0; i < numBands; i++) {
addColorInput();
}
}
function addColorInput() {
const colorInputFields = document.getElementById('colorInputFields');
const select = document.createElement('select');
select.name = 'colors';
const colors = Object.keys(colorMap);
colors.forEach(function(color) {
const option = document.createElement('option');
option.value = color;
option.text = color;
select.appendChild(option);
});
colorInputFields.appendChild(select);
}
function calculateResistor() {
const numBands = document.getElementById('num_bands').value;
const colorInputs = document.querySelectorAll('#colorInputFields select');
const colorCodes = Array.prototype.map.call(colorInputs, function(select) {
return colorMap[select.value];
});
const toleranceColor = colorInputs[colorInputs.length - 1].value; // 最后一条颜色表示误差
const tolerancePercentage = toleranceMap[toleranceColor]; // 获取误差百分比
let resistorValue;
if (numBands == 4) {
resistorValue = (colorCodes[0] * 10 + colorCodes[1]) * Math.pow(10, colorCodes[2]);
} else if (numBands == 5 || numBands == 6) {
resistorValue = (colorCodes[0] * 100 + colorCodes[1] * 10 + colorCodes[2]) * Math.pow(10, colorCodes[3]);
}
const toleranceValue = resistorValue * (tolerancePercentage / 100);
const minValue = (resistorValue - toleranceValue).toFixed(2);
const maxValue = (resistorValue + toleranceValue).toFixed(2);
document.getElementById('result').innerText = resistorValue + ' 欧姆 (±' + tolerancePercentage + '%) , 取值范围: ' + minValue + ' 欧姆 - ' + maxValue + ' 欧姆';
displayColorBlocks(colorInputs);
}
function displayColorBlocks(colorInputs) {
const colorBlocks = document.getElementById('colorBlocks');
colorBlocks.innerHTML = ''; // 清空之前的颜色块
Array.prototype.forEach.call(colorInputs, function(select) {
const color = select.value;
const colorBox = document.createElement('div');
colorBox.className = 'color-box';
colorBox.style.backgroundColor = getColorHex(color);
colorBlocks.appendChild(colorBox);
});
}
function getColorHex(color) {
switch (color) {
case "黑": return "#000000";
case "棕": return "#964B00";
case "红": return "#FF0000";
case "橙": return "#FFA500";
case "黄": return "#FFFF00";
case "绿": return "#008000";
case "蓝": return "#0000FF";
case "紫": return "#800080";
case "灰": return "#808080";
case "白": return "#FFFFFF";
case "金": return "#FFD700";
case "银": return "#C0C0C0";
default: return "#FFFFFF";
}
}
// 初始化时根据选择的色环数量生成输入框
window.onload = function() {
updateColorInputs();
};
</script>
</body>
</html>
PY代码：[Python] 纯文本查看 复制代码 import tkinter as tk
from tkinter import ttk
def get_color_code():
return {
"黑": 0, "棕": 1, "红": 2, "橙": 3,
"黄": 4, "绿": 5, "蓝": 6, "紫": 7,
"灰": 8, "白": 9, "金": 0, "银": 0
}
def get_tolerance_map():
return {
"黑": 0, "棕": 1, "红": 2, "橙": 3,
"黄": 4, "绿": 0.5, "蓝": 0.25, "紫": 0.1,
"灰": 0.05, "白": 0, "金": 5, "银": 10
}
def rgb_to_hex(color):
"""Convert color name to hex value."""
color_codes = {
"黑": "#000000", "棕": "#964B00", "红": "#FF0000",
"橙": "#FFA500", "黄": "#FFFF00", "绿": "#008000",
"蓝": "#0000FF", "紫": "#800080", "灰": "#808080",
"白": "#FFFFFF", "金": "#FFD700", "银": "#C0C0C0"
}
return color_codes.get(color, "#FFFFFF")
def calculate_resistor(num_bands, selected_colors):
color_map = get_color_code()
tolerance_map = get_tolerance_map()
# Convert colors to value codes
color_codes = [color_map[color] for color in selected_colors]
# Calculate resistance value
if num_bands == 4:
resistor_value = (color_codes[0] * 10 + color_codes[1]) * (10 ** color_codes[2])
else:
resistor_value = (color_codes[0] * 100 + color_codes[1] * 10 + color_codes[2]) * (10 ** color_codes[3])
# Get the tolerance from the last color
tolerance_color = selected_colors[-1]
tolerance_percentage = tolerance_map[tolerance_color]
# Calculate tolerance range
tolerance_value = resistor_value * (tolerance_percentage / 100)
min_value = round(resistor_value - tolerance_value, 2)
max_value = round(resistor_value + tolerance_value, 2)
return resistor_value, tolerance_percentage, min_value, max_value
def on_calculate():
num_bands = int(bands_combobox.get())
selected_colors = [color_vars[i].get() for i in range(num_bands)]
resistor_value, tolerance_percentage, min_value, max_value = calculate_resistor(num_bands, selected_colors)
# Update result label
result_label.config(text=f"电阻值: {resistor_value} 欧姆 (±{tolerance_percentage}%), 范围: {min_value} 欧姆 - {max_value} 欧姆")
# Clear color display frame
for widget in color_display_frame.winfo_children():
widget.destroy()
# Display color squares
for color in selected_colors:
hex_color = rgb_to_hex(color)
color_box = tk.Label(color_display_frame, bg=hex_color, width=3, height=2)
color_box.pack(side=tk.LEFT, padx=5)
def on_reset():
bands_combobox.set("4")
for color_var in color_vars:
color_var.set("黑") # Default to black
result_label.config(text="")
# Clear color display frame
for widget in color_display_frame.winfo_children():
widget.destroy()
def update_color_comboboxes(event):
num_bands = int(bands_combobox.get())
for i in range(6):
if i < num_bands:
color_comboboxes[i].config(state="normal")
else:
color_comboboxes[i].config(state="disabled")
# Create main window
root = tk.Tk()
root.title("色环电阻计算器")
root.geometry("400x460") # Set window size
# Ring number selection
bands_label = tk.Label(root, text="选择色环数量:")
bands_label.pack()
bands_combobox = ttk.Combobox(root, values=["4", "5", "6"])
bands_combobox.set("4")
bands_combobox.pack()
bands_combobox.bind("<<ComboboxSelected>>", update_color_comboboxes)
# Color selection
colors = ["黑", "棕", "红", "橙", "黄", "绿", "蓝", "紫", "灰", "白", "金", "银"]
color_vars = []
color_comboboxes = []
for i in range(6): # Allow up to 6 colors
color_var = tk.StringVar(value="黑") # Default to black
color_vars.append(color_var)
label = tk.Label(root, text=f"选择第 {i + 1} 条颜色:")
label.pack()
color_combobox = ttk.Combobox(root, textvariable=color_var, values=colors)
color_combobox.set("黑") # Default to black
color_combobox.pack()
color_comboboxes.append(color_combobox)
# Hide excess color selection boxes
update_color_comboboxes(None)
# Calculate and reset buttons
button_frame = tk.Frame(root)
button_frame.pack(pady=10)
calculate_button = tk.Button(button_frame, text="计算", command=on_calculate)
calculate_button.pack(side=tk.LEFT, padx=10)
reset_button = tk.Button(button_frame, text="复位", command=on_reset)
reset_button.pack(side=tk.LEFT, padx=10)
# Result display
result_label = tk.Label(root, text="")
result_label.pack(pady=10)
# Color display frame
color_display_frame = tk.Frame(root)
color_display_frame.pack(pady=10)
# Start main loop
root.mainloop()
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发表于 2024-9-25 10:07
|楼主
发表于 2024-9-25 00:10
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