Method GetDescByDid

models/DocTextModel.go:51–60

根据文档表的文档id获取文档摘要，默认获取255个字符长度 @param did document_store的id @param length 需要获取的长度 @return desc 返回摘要内容

(did interface{}, length ...int)

//@param            length              需要获取的长度
//@return           desc                返回摘要内容
func (this *DocText) GetDescByDid(did interface{}, length ...int) (desc string) {
	var dsid = 0
	if docinfo, rows, _ := NewDocument().GetDocInfoById(did); rows > 0 {
		dsid = docinfo[0].DsId
	}
	if dsinfo, rows, _ := NewDocument().GetDocStoreByDsId(dsid); rows > 0 {
		return this.GetDescByMd5(dsinfo[0].Md5, length...)
	}
	return
}