tableform组件计步器添加精度属性

src/components/TableForm/src/TableForm.vue

@@ -91,6 +91,7 @@
               v-model="row[headerItem.field]" 
               :max="headerItem?.tableForm?.max"
               :min="headerItem?.tableForm?.min" 
+              :precision="headerItem?.tableForm?.precision" 
               :disabled="itemIsDisabled(headerItem, row)" 
             />
           </el-form-item>