vant custom theme color

Look at the renderings first

before fixing:
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After modification
// less file code @white: #000;
Insert picture description here

Step method

1. Introduce in main.js

import 'vant/lib/index.less';

2. Create a new less file to overwrite and modify the color in the frame

Insert picture description here
3. Install less and less-loader, less-loader Xu, version 5.0.0 is required

npm install less --save-dev
npm install less less-loader@5.0.0 --save-dev

4. Add the code in the vue.config.js file

// 需要放在module.exports对象里
  chainWebpack: config => {
    
    
    const types = ['vue-modules', 'vue', 'normal-modules', 'normal']
    types.forEach(type => addStyleResource(config.module.rule('less').oneOf(type)))
  },
// 此函数为方法体,需放在对象的外面
function addStyleResource(rule) {
    
    
  rule.use('style-resource')
    .loader('style-resources-loader')
    .options({
    
    
      patterns: [
        path.resolve(__dirname, './src/assets/less/vant.less'), // 需要全局导入的less
      ],
    })
}

The complete code is:

	function addStyleResource(rule) {
    
    
	  rule.use('style-resource')
	    .loader('style-resources-loader')
	    .options({
    
    
	      patterns: [
	        path.resolve(__dirname, './src/assets/less/vant.less'), // 需要全局导入的less
	      ],
	    })
	}

  module.exports = {
    
    
  
	  css: {
    
    
	    extract: IS_PROD, // 是否将组件中的 CSS 提取至一个独立的 CSS 文件中 (而不是动态注入到 JavaScript 中的 inline 代码)。
	    sourceMap: false,
	    loaderOptions: {
    
    
	      // less加载器
	      less: {
    
    
	        javascriptEnabled: true,
	        modifyVars: {
    
    
	          // 直接覆盖变量
	          // 'text-color': 'red',
	          // 或者可以通过 less 文件覆盖(文件路径为绝对路径)
	          'hack': `true; @import "${
      
      resolve('./src/assets/less/vant.less')}";`
	        }
	      },
	      scss: {
    
    
	        // 向全局sass样式传入共享的全局变量, $src可以配置图片cdn前缀
	        // 详情: https://cli.vuejs.org/guide/css.html#passing-options-to-pre-processor-loaders
	        // prependData: `
	        //   @import "assets/css/mixin.scss";
	        //   @import "assets/css/variables.scss";
	        //   $cdn: "${defaultSettings.$cdn}";
	        //   `
	      }
	    }
	  },
	  // 对象参数
	  chainWebpack: config => {
    
    
	    const types = ['vue-modules', 'vue', 'normal-modules', 'normal']
	    types.forEach(type => addStyleResource(config.module.rule('less').oneOf(type)))
	  }
}

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Origin blog.csdn.net/super__code/article/details/108778456