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解决el-radio-group 回显后不能编辑问题
2022-07-02 11:54:00 【zx_20220104】
用于深结构数据
首先我们知道在vue中,数据的绑定都不用我们操心,例如在data中有一个msg的变量,你修改它,那么在页面上,msg的内容就会自动发生变化。但是如果对于一个复杂的对象,例如一个对象数组,你直接去给数组上某一个元素增加属性,或者直接把数组的length变成0,vue就无法知道发生了改变。
VUE项目中使用this.$forceUpdate();解决页面v-for中修改item属性值后页面v-if不改变的问题。添加this.$forceUpdate();进行强制渲染,效果实现。搜索资料得出结果:因为数据层次太多,render函数没有自动更新,需手动强制刷新。
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