liujiaxin
/
zhibo


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>输入框宽度测试</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            background: #000;
            color: #fff;
            font-family: Arial, sans-serif;
            padding: 20px;
        }
        
        .container {
            max-width: 400px;
            margin: 0 auto;
            padding-top: 50px;
        }
        
        .x-f {
            display: flex;
            align-items: center;
        }
        
        .justify-between {
            justify-content: space-between;
        }
        
        .input-container-optimized {
            background: #393939;
            padding: 5px 7px 5px 16px;
            box-sizing: border-box;
            border-radius: 18px;
            width: 100%;
            transform: translateZ(0);
            will-change: transform;
            backface-visibility: hidden;
            perspective: 1000px;
            /* 移除transition动画，避免闪动 */
        }
        
        /* 输入框容器焦点状态 - 当输入框聚焦时扩展宽度 */
         .input-container-optimized.input-container-focused,
         .input-container-focused {
             width: calc(100% - 20px) !important;
             max-width: calc(100% - 20px) !important;
             min-width: calc(100% - 20px) !important;
             margin-right: 20px !important;
             padding: 10px 10px 10px 20px !important;
             justify-content: flex-start !important;
             gap: 20px !important;
             flex: 1 !important;
             flex-grow: 1 !important;
             flex-shrink: 0 !important;
             flex-basis: calc(100% - 20px) !important;
         }

        /* 父级容器焦点状态 - 当输入框聚焦时调整整体布局 */
         .parent-container-focused {
             justify-content: flex-start !important;
             align-items: stretch !important;
             width: 100% !important;
             display: flex !important;
         }

         /* 更强的父级容器控制 */
         .justify-between.p24.parent-container-focused {
             justify-content: flex-start !important;
             align-items: stretch !important;
             width: 100% !important;
             display: flex !important;
         }

         /* 调试用 - 强制容器宽度 */
         .input-container-optimized.input-container-focused[class*="input-container-focused"] {
             width: 100% !important;
             max-width: 100% !important;
             min-width: 100% !important;
             flex: 1 1 100% !important;
             box-sizing: border-box !important;
             background-color: rgba(255, 0, 0, 0.1) !important; /* 调试用红色背景 */
         }

         /* 确保焦点状态下不使用justify-between */
         .input-container-optimized.input-container-focused.justify-between {
             justify-content: flex-start !important;
         }

        /* 强制输入框宽度设置 - 最高优先级 */
        .input-container-optimized.input-container-focused .input-optimized.input-focused,
        .input-container-optimized .input-optimized.input-focused,
        .input-optimized.input-focused[class*="input-focused"] {
            width: auto !important;
            flex: 1 !important;
            min-width: 0 !important;
            max-width: none !important;
            flex-grow: 1 !important;
            flex-shrink: 1 !important;
            flex-basis: 0 !important;
        }
        
        .input-optimized {
            border: none !important;
            font-size: 16px !important;
            color: #ffffff !important;
            background: transparent !important;
            width: 70% !important;
            outline: none;
            /* 移除transition动画，避免闪动 */
        }
        
        .input-optimized.input-focused {
            width: auto !important;
            flex: 1 !important;
            min-width: 0 !important;
            margin-left: 5px !important;
        }
        
        .send {
            background-color: #fafafa;
            border-radius: 14px;
            padding: 7px 8px;
            color: #181818;
            font-weight: 500;
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
            cursor: pointer;
        }
        
        .shopping-icon-container {
            margin-right: 8px;
            /* 移除transition动画，避免显示/隐藏时闪烁 */
            will-change: opacity, visibility;
            backface-visibility: hidden;
        }
        
        .shopping-icon-container.hidden {
            opacity: 0;
            visibility: hidden;
        }
        
        .icon-bg {
            width: 30px;
            height: 30px;
            background: #666;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        
        .status {
            margin-bottom: 20px;
            padding: 10px;
            background: #333;
            border-radius: 8px;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="status">
            <p>状态: <span id="status">未聚焦</span></p>
            <p>输入框宽度: <span id="width">70%</span></p>
        </div>
        
        <div class="x-f justify-between" id="parentContainer">
            <div class="x-f input-container-optimized" id="inputContainer">
                <input
                    id="testInput"
                    placeholder="点击测试输入框宽度变化"
                    class="input-optimized"
                    style="margin-left: 10px;"
                />
                <div class="send" onclick="sendMsg()">发送</div>
            </div>
            <div class="shopping-icon-container" id="shoppingIcon">
                <div class="icon-bg">🛒</div>
            </div>
        </div>
    </div>

    <script>
        const input = document.getElementById('testInput');
        const container = document.getElementById('inputContainer');
        const shoppingIcon = document.getElementById('shoppingIcon');
        const statusEl = document.getElementById('status');
        const widthEl = document.getElementById('width');
        
        let isFocus = false;
        
        function updateStatus() {
            statusEl.textContent = isFocus ? '已聚焦' : '未聚焦';
            widthEl.textContent = isFocus ? 'flex: 1 (最大化)' : '70%';
        }
        
        function handleFocus() {
            console.log('输入框获得焦点');
            const parentContainer = document.getElementById('parentContainer');
            const inputContainer = document.getElementById('inputContainer');
            const input = document.getElementById('testInput');
            const shoppingIcon = document.getElementById('shoppingIcon');
            
            parentContainer.classList.add('parent-container-focused');
            parentContainer.classList.remove('justify-between'); // 移除justify-between类
            inputContainer.classList.add('input-container-focused');
            input.classList.add('input-focused');
            shoppingIcon.style.opacity = '0';
            shoppingIcon.style.visibility = 'hidden';
            
            // 直接设置样式，确保宽度改变
                 inputContainer.style.width = 'calc(100% - 20px)';
                 inputContainer.style.maxWidth = 'calc(100% - 20px)';
                 inputContainer.style.marginRight = '20px';
                 inputContainer.style.flex = '1';
                 inputContainer.style.justifyContent = 'flex-start';
                 inputContainer.style.backgroundColor = 'rgba(255, 0, 0, 0.1)'; // 调试用红色背景
            
            console.log('容器当前宽度:', inputContainer.offsetWidth);
            console.log('容器当前样式:', window.getComputedStyle(inputContainer).width);
            console.log('容器justify-content:', window.getComputedStyle(inputContainer).justifyContent);
        }

        function handleBlur() {
            console.log('输入框失去焦点');
            const parentContainer = document.getElementById('parentContainer');
            const inputContainer = document.getElementById('inputContainer');
            const input = document.getElementById('testInput');
            const shoppingIcon = document.getElementById('shoppingIcon');
            
            parentContainer.classList.remove('parent-container-focused');
            parentContainer.classList.add('justify-between'); // 恢复justify-between类
            inputContainer.classList.remove('input-container-focused');
            inputContainer.classList.add('justify-between'); // 恢复justify-between类
            input.classList.remove('input-focused');
            shoppingIcon.style.opacity = '1';
            shoppingIcon.style.visibility = 'visible';
            
            // 清除内联样式
                 inputContainer.style.width = '';
                 inputContainer.style.maxWidth = '';
                 inputContainer.style.marginRight = '';
                 inputContainer.style.flex = '';
                 inputContainer.style.justifyContent = '';
                 inputContainer.style.backgroundColor = '';
        }
        
        input.addEventListener('focus', function() {
            isFocus = true;
            handleFocus();
            updateStatus();
        });
        
        input.addEventListener('blur', function() {
            isFocus = false;
            handleBlur();
            updateStatus();
        });
        
        function sendMsg() {
            alert('发送消息: ' + input.value);
            input.value = '';
        }
        
        updateStatus();
    </script>
</body>
</html>