进来遇到一个创建供应商的需求，由于在系统中关于供应商和客户的创建比较特殊，且没有相关函数进行创建，
找到一个类和方法来创建，类名：VMD_EI_API 方法名：MAINTAIN_DIRECT_INPUT，类似的
* 供应商表头 ls_vendors-header-object_instance-lifnr = lv_vendor. "供应商 ls_vendors-header-object_task = 'M'. "创建/更改* 通用数据 ls_vendors-central_data-central-data-stceg = stceg. "增值税登记号 ls_vendors-central_data-central-data-ktokk = '0001'. "账户组 ls_vendors-central_data-central-data-j_1kfrepre = j_1kfrepre. "代表名称 ls_vendors-central_data-central-datax-stceg = 'X'. "增值税登记号 ls_vendors-central_data-central-datax-ktokk = 'X'. "账户组 ls_vendors-central_data-central-datax-j_1kfrepre = 'X'. "代表名称* 电话 ls_phone-contact-data-telephone = phone. APPEND ls_phone TO ls_vendors-central_data-address-communication-phone-phone. CLEAR ls_phone.* 邮箱 ls_smtp-contact-data-e_mail = smtp. APPEND ls_smtp TO ls_vendors-central_data-address-communication-smtp-smtp. CLEAR ls_smtp. ls_vendors-central_data-address-postal-data-name = name. "名称 ls_vendors-central_data-address-postal-data-name_2 = name. "名称 ls_vendors-central_data-address-postal-data-sort1 = sort1. "属性（SAP为搜索项 1） ls_vendors-central_data-address-postal-data-street = street. "街道/门牌号 ls_vendors-central_data-address-postal-data-postl_cod1 = postl_cod1. "邮政编码 ls_vendors-central_data-address-postal-data-city = city. "城市 ls_vendors-central_data-address-postal-data-country = country. "国家 ls_vendors-central_data-address-postal-data-region = region. "地区 ls_vendors-central_data-address-postal-data-langu = '1'. "语言 ls_vendors-central_data-address-postal-datax-name = 'X'. ls_vendors-central_data-address-postal-datax-name_2 = 'X'. ls_vendors-central_data-address-postal-datax-sort1 = 'X'. ls_vendors-central_data-address-postal-datax-street = 'X'. ls_vendors-central_data-address-postal-datax-postl_cod1 = 'X'. ls_vendors-central_data-address-postal-datax-city = 'X'. ls_vendors-central_data-address-postal-datax-country = 'X'. ls_vendors-central_data-address