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src/views/sys/iframe/index.vue 2.89 KB
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<template>
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  <div :class="prefixCls" :style="getWrapStyle">
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    <Spin :spinning="loading" size="large" :style="getWrapStyle">
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      <iframe :src="frameSrc" :class="`${prefixCls}__main`" ref="frameRef"></iframe>
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    </Spin>
  </div>
</template>
<script lang="ts">
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  import type { CSSProperties } from 'vue';
  import { defineComponent, ref, unref, onMounted, nextTick, computed } from 'vue';
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  import { Spin } from 'ant-design-vue';

  import { getViewportOffset } from '/@/utils/domUtils';
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  import { useWindowSizeFn } from '/@/hooks/event/useWindowSizeFn';
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  import { propTypes } from '/@/utils/propTypes';
  import { useDesign } from '/@/hooks/web/useDesign';
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  export default defineComponent({
    name: 'IFrame',
    components: { Spin },
    props: {
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      frameSrc: propTypes.string.def(''),
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    },
    setup() {
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      const loading = ref(false);
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      const topRef = ref(50);
      const heightRef = ref(window.innerHeight);
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      const frameRef = ref<HTMLFrameElement | null>(null);

      const { prefixCls } = useDesign('iframe-page');
      useWindowSizeFn(calcHeight, 150, { immediate: true });
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      const getWrapStyle = computed((): CSSProperties => {
        return {
          height: `${unref(heightRef)}px`,
        };
      });
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      function calcHeight() {
        const iframe = unref(frameRef);
        if (!iframe) {
          return;
        }
        let { top } = getViewportOffset(iframe);
        top += 20;
        topRef.value = top;
        heightRef.value = window.innerHeight - top;
        const clientHeight = document.documentElement.clientHeight - top;
        iframe.style.height = `${clientHeight}px`;
      }

      function hideLoading() {
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        loading.value = false;
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        calcHeight();
      }

      function init() {
        nextTick(() => {
          const iframe = unref(frameRef);
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          if (!iframe) return;

          const _frame = iframe as any;
          if (_frame.attachEvent) {
            _frame.attachEvent('onload', () => {
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              hideLoading();
            });
          } else {
            iframe.onload = () => {
              hideLoading();
            };
          }
        });
      }
      onMounted(() => {
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        loading.value = true;
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        init();
      });
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      return {
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        getWrapStyle,
        loading,
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        frameRef,
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        prefixCls,
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      };
    },
  });
</script>
<style lang="less" scoped>
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  @prefix-cls: ~'@{namespace}-iframe-page';

  .@{prefix-cls} {
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    .ant-spin-nested-loading {
      position: relative;
      height: 100%;

      .ant-spin-container {
        width: 100%;
        height: 100%;
        padding: 10px;
      }
    }

    &__mask {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }

    &__main {
      width: 100%;
      height: 100%;
      overflow: hidden;
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      background-color: @component-background;
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      border: 0;
      box-sizing: border-box;
    }
  }
</style>