【CRM】01- WEB UI 下拉列表

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应用场景：自定义WEB UI 程序下拉列表

首先F2找到页面对应的“组件及视图”.实现其对应视图，上下文节点里面的get v方法。

具体代码如下图：

METHOD get_v_bu.  DATA  l_i_ddlb     TYPE bsp_wd_dropdown_table.  DATA  l_wa_ddlb    LIKE LINE OF l_i_ddlb.  DATA  l_o_ddlb     TYPE REF TO cl_crm_uiu_ddlb.  DATA: l_i_bu       TYPE STANDARD TABLE OF /sc1/t_bu,        l_wa_bu      TYPE /sc1/t_bu.*&---step 1、 创建视图字段属性的下拉列表对象  CREATE OBJECT l_o_ddlb    EXPORTING      iv_source_type = 'T'.*&---step 2、从配置表取下拉列表取值  SELECT * FROM /sc1/t_bu INTO TABLE l_i_bu.  CLEAR: l_wa_ddlb.  l_wa_ddlb-key   = ''.  l_wa_ddlb-value = ''.  APPEND l_wa_ddlb TO l_i_ddlb."空行可选  LOOP AT l_i_bu INTO l_wa_bu.    CLEAR: l_wa_ddlb.    l_wa_ddlb-key   = l_wa_bu-bucode.    l_wa_ddlb-value = l_wa_bu-butxt.    APPEND l_wa_ddlb TO l_i_ddlb.  ENDLOOP.*&---step 4、设置下拉列表，并让该方法返回  l_o_ddlb->set_selection_table( it_selection_table = l_i_ddlb ).  rv_valuehelp_descriptor = l_o_ddlb.ENDMETHOD.

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