合并表格行---三层for循环遍历数据

示例1 json

    
    
    
    



    

        

            

                

                    
学期
                
                

                    
课程类型
                
                

                    
课程名称
                
            
        
        

    
    
    

示例2 freemark

<#list semesterList as semester>
                <#if (semester.courseTypeList)??&&(semester.courseTypeList?size>0)>
                    <#list semester.courseTypeList as courseType>
                        
                            <#if courseType_index = 0>
                                <#assign courseNum = 0>
                                <#list semester.courseTypeList as courseType2>
                                    <#assign courseNum += courseType2.courseList?size>
                                
                                ${(semester.semesterName)!}
                            
                            ${(courseType.courseTypeName)!}
                            <#list courseType.courseList as course>
                                <#if 0 = course_index>
                                    ${(course.courseName)!}
                                
                            
                        
                        <#list courseType.courseList as course>
                            <#if 0 != course_index>
                                
                                    ${(course.courseName)!}