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renderContent并不会影响代码中既定tree数据层结构渲染加载;

这里的作用是根据tree的特定level调整其样式:

el-tree

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<el-tree

:render-content="renderContent"

:data="treedata"

default-expand-all

:show-checkbox="showcheckbox"

highlight-current

node-key="itemId"

:expand-on-click-node="false"

@node-click="handleNodeClick"

:props="ItemProps"

v-loading="ISload"

ref="tree"

@check-change="itemCheckChange"

style="margin-top: 1em;"

></el-tree>

Method

    renderContent(h, { node, data, store }) {  

      if (node.level === 1) {

        return <span class='firstlevel'>{node.label}</span>;

      } else {

        return <span class='notfirstlevel'>{node.label}</span>;

      }

    },
2022-10-13

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