SVG中仅<foreignObject>内容可见，其余元素隐藏如何解决？

问题根源在于SVG的绘制顺序规则：SVG元素会按照代码里的先后顺序渲染，后定义的元素会叠在前面。你把<foreignObject>放在了所有旗帜图形（矩形、路径）的后面，导致图片直接完全覆盖了下方的所有元素。

给你两种简单可行的解决办法：

方法1：调整元素绘制顺序 #

把<foreignObject>移到SVG代码的最开头，这样后面的矩形和路径元素会自动绘制在图片上方：

<?xml version="1.0" standalone="no"?>
<svg width="1024" height="1024" viewBox="0 0 1024 1024" fill="none"
    xmlns="http://www.w3.org/2000/svg" class="m-auto w-[85%] h-auto" id="chp"
    xmlns:xhtml="http://www.w3.org/1999/xhtml">
    <!-- 将foreignObject移至最前方 -->
    <foreignObject x="0" y="0" width="1024" height="1024">
        <xhtml:img src="https://cdn.upload.systems/uploads/Y8u4dj8y.png" alt="Killua Zoldyck"
            width="1024" height="1024" />
    </foreignObject>
    <!-- 原旗帜元素 -->
    <rect width="1024" height="1024" fill="#0038A8"></rect>
    <rect width="1024" height="614.4" fill="#9B4F96"></rect>
    <rect width="1024" height="409.6" fill="#D60270"></rect>
    <path
        d="M233.068 737.937V755.486L635.976 749.335L650.912 759L696.553 744.966L649.155 730.029L635.121 738.792L233.068 737.937Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
    <path
        d="M227.795 700.165L230.431 717.737L794.008 593.091L812.436 598.363L855.441 575.519L807.164 570.247L789.615 583.427L227.795 700.165Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
    <path
        d="M212.864 665.073L827.33 396.452L837.873 380.637L887.029 373.632L851.052 406.996L830.844 404.36L222.528 681.767L224.262 669.443L212.864 665.073Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
    <path
        d="M192.66 633.482L204.96 648.395L666.712 306.017L689.509 303.405L717.625 266.55L671.082 278.827L662.319 298.133L192.66 633.482Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
    <path fill-rule="evenodd" clip-rule="evenodd"
        d="M168.091 606.255L180.392 620.289L449.892 313.935L468.319 309.518L489.382 265.635L449.013 285.843L443.741 306.004L168.091 606.255Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
    <path fill-rule="evenodd" clip-rule="evenodd"
        d="M136.5 586.073L297.145 318.331L298.024 298.146L333.145 264.782L324.359 313.059L304.174 322.724L152.315 597.495L136.5 586.073Z"
        fill="#FFFFFF" stroke="#FFFFFF" stroke-width="2.82384" stroke-miterlimit="3.864"></path>
</svg>

方法2：用SVG原生<image>标签替代foreignObject #

既然只是插入一张图片，完全没必要用<foreignObject>，SVG自带的<image>标签更简洁规范，还能直接控制透明度或裁剪范围：

<?xml version="1.0" standalone="no"?>
<svg width="1024" height="1024" viewBox="0 0 1024 1024" fill="none"
    xmlns="http://www.w3.org/2000/svg" class="m-auto w-[85%] h-auto" id="chp">
    <!-- 使用SVG原生image标签，可添加opacity属性让旗帜透出 -->
    <image x="0" y="0" width="1024" height="1024" 
           href="https://cdn.upload.systems/uploads/Y8u4dj8y.png" 
           alt="Killua Zoldyck"
           opacity="0.7"/> <!-- 可选：调整透明度平衡图片与旗帜的显示效果 -->
    <!-- 原旗帜元素 -->
    <rect width="1024" height="1024" fill="#0038A8"></rect>
    <rect width="1024" height="614.4" fill="#9B4F96"></rect>
    <rect width="1024" height="409.6" fill="#D60270"></rect>
    <!-- 省略后续path元素 -->
</svg>

如果想让图片只显示在旗帜的特定区域，还可以给<image>添加clip-path属性，绑定自定义的SVG路径实现精准裁剪。

内容的提问来源于stack exchange，提问作者Əkrəm Cəfər