解决ant-design-vue中Select组件v-model值为空字符串不显示placeholder的bug
方法一:1.找到node_modules/ant-design-vue/es/vc-select/SingleSelector.js文件搜索renderPlacehoder方法将其修改为constrenderPlacehoder=()=>{constlist=props.values.filter(val=>val.value!=='');if(list[0]){returnnull}...}2.