ruoyi-vue项目 上下白框解决方案

找到AppMain.vue文件，调整如下就可以

<template>
  <section class="app-main">
    <transition name="fade-transform" mode="out-in">
      <keep-alive :include="cachedViews">
        <router-view :key="key" />
      </keep-alive>
    </transition>
  </section>
</template>

<script>
export default {
    
    
  name: 'AppMain',
  computed: {
    
    
    cachedViews() {
    
    
      return this.$store.state.tagsView.cachedViews
    },
    key() {
    
    
      return this.$route.path
    }
  }
}
</script>

<style lang="scss" scoped>
.app-main {
    
    
  /* 50= navbar  50  */
  min-height: calc(100vh - 50px);

  //调整后->无 上白框
  top:0px;

  //默认现状 ->上白框
  //top:30px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.fixed-header+.app-main {
    
    
  padding-top: 50px;
}

.hasTagsView {
    
    
  .app-main {
    
    
    /* 84 = navbar + tags-view = 50 + 34 */

    //  调整后->无 下白框
    min-height: calc(100vh - 4px);

    //  默认现状 ->下白框
    min-height: calc(100vh - 84px);
  }

  .fixed-header+.app-main {
    
    
    padding-top: 84px;
  }
}
</style>

<style lang="scss">
// fix css style bug in open el-dialog
.el-popup-parent--hidden {
    
    
  .fixed-header {
    
    
    padding-right: 17px;
  }
}
</style>