fix(render): 修复表格内点击无响应（Vue2 on:{click} → Vue3 onClick）

班级管理「班主任/副班主任/校区」三列、任教管理操作列用的是
h(..., { on: { click: fn } })。Vue3 不再识别 on 对象，事件根本没绑上，
所以点单元格毫无反应。改为顶层 onClick（含带 stopPropagation 的清空按钮），
treeMixin 的树节点点击同步修正。

src/mixins/treeMixin.js

@@ -19,12 +19,10 @@ export default {
               cursor: "pointer",
               backgroundColor: node.node.selected ? "#e5e5e5" : ""
             },
-            on: {
-              click: (e) => {
-                e.stopPropagation()
+            onClick: (e) => {
+                e.stopPropagation();
                 this.$emit("on-tree-change", node.node);
             }
-            }
           }, data.title)
         ]);
       }

src/views/classManage/Christianity.vue

@@ -365,9 +365,7 @@ style: { width: '150px' }})
                 cursor: 'pointer',
                 margin: '0 auto'
               },
-              on: {
-                click: () => this.openTeacherSelect(params.index, 'headTeacher')
-              }
+              onClick: () => this.openTeacherSelect(params.index, 'headTeacher')
             }, [
               h('span', {
                 style: {
@@ -391,8 +389,7 @@ style: { width: '150px' }})
                   flexShrink: 0,
                   fontSize: '14px'
                 },
-                on: {
-                  click: (e) => {
+                onClick: (e) => {
                     e.stopPropagation()
                     var item={
                       id:params.row.id,
@@ -407,7 +404,6 @@ style: { width: '150px' }})
                         }
                     });
                   }
-                }
               }, '×') : null
             ])
           }
@@ -428,9 +424,7 @@ style: { width: '150px' }})
                 cursor: 'pointer',
                 margin: '0 auto'
               },
-              on: {
-                click: () => this.openTeacherSelect(params.index, 'secondTeacherName')
-              }
+              onClick: () => this.openTeacherSelect(params.index, 'secondTeacherName')
             }, [
               h('span', {
                 style: {
@@ -454,8 +448,7 @@ style: { width: '150px' }})
                   flexShrink: 0,
                   fontSize: '14px'
                 },
-                on: {
-                  click: (e) => {
+                onClick: (e) => {
                     e.stopPropagation()
                     var item={
                       id:params.row.id,
@@ -470,7 +463,6 @@ style: { width: '150px' }})
                         }
                     });
                   }
-                }
               }, '×') : null
             ])
           }
@@ -491,9 +483,7 @@ style: { width: '150px' }})
                 cursor: 'pointer',
                 margin: '0 auto'
               },
-              on: {
-                click: () => this.openCampusSelect(params.index)
-              }
+              onClick: () => this.openCampusSelect(params.index)
             }, [
               h('span', {
                 style: {
@@ -517,8 +507,7 @@ style: { width: '150px' }})
                   flexShrink: 0,
                   fontSize: '14px'
                 },
-                on: {
-                  click: (e) => {
+                onClick: (e) => {
                     e.stopPropagation()
                     var item={
                       id:params.row.id,
@@ -533,7 +522,6 @@ style: { width: '150px' }})
                         }
                     });
                   }
-                }
               }, '×') : null
             ])
           }
@@ -726,17 +714,7 @@ onClick: () => this.deleteRow(params.index, params.row)})
 
 <style scoped>
 /* 根容器占满父高度 */
-.container-full-height {
-  width: 100%;
-  height: 100%;
-  box-sizing: border-box;
-  border: 1px solid #e5e7eb;
-  border-radius: 6px;
-  padding: 12px;
-  background: #fff;
-  display: flex;
-  flex-direction: column;
-}
+.container-full-height {width: 100%; height: 100%; box-sizing: border-box; display: flex; flex-direction: column}
 .layout-flex-row {
   display: flex;
   flex: 1;

src/views/teacherManage/teachseeting.vue

@@ -324,11 +324,9 @@ export default {
                 cursor: 'pointer',
                 margin: '0 auto'
               },
-              on: {
-                click: () => {
+              onClick: () => {
                   this.openTeacherModal(params.index, params.row, subId)
                 }
-              }
             }, [
               h('span', {
                 style: {
@@ -353,8 +351,7 @@ export default {
                   fontSize: '14px',
                   cursor: 'pointer'
                 },
-                on: {
-                  click: (e) => {
+                onClick: (e) => {
                     e.stopPropagation();
                     const row = params.row;
                     let delId = null;
@@ -370,7 +367,6 @@ export default {
                       }
                     });
                   }
-                }
               }, '×') : null
             ]);
           }
@@ -514,11 +510,7 @@ attrs: { title: '重置本行所有任教' }})
 </script>
 
 <style scoped>
-.teach-manage-page {
-  width: 100%;
-  padding: 10px;
-  box-sizing: border-box;
-}
+.teach-manage-page {width: 100%; box-sizing: border-box}
 .top-filter-bar {
   display: flex;
   justify-content: space-between;