【修改】班级开课计划：强制设老师优化；

Learun.Framework.Ultimate V7/Learun.Application.Web/Areas/EducationalAdministration/Views/ClassPlanTeach/Index.js

@@ -98,6 +98,11 @@ var bootstrap = function ($, learun) {
                         learun.alert.warning("不符合强制设置条件！");
                         return false;
                     }
+                    var EmpNoMain = $('#gridtable').jfGridValue('EmpNoMain');
+                    if (EmpNoMain) {
+                        learun.alert.warning("已完成强制设置！");
+                        return false;
+                    }
                     learun.layerForm({
                         id: 'form',
                         title: '强制设置教师',