摘要:
一使用SELECT子句进行多表查询 SELECT 字段名 FROM 表1,表2 … WHERE 表1.字段 = 表2.字段 AND 其它查询条件 SELECT a.id,a.name,a.address,a.date,b.math,b.english,b.chinese FROM tb_demo065_tel AS b,tb_demo065 AS a WHERE a.id=b.id 注:在上面... 阅读全文
摘要:
change(e){ clearTimeout(this.timer); this.timer=setTimeout(()=>{ let val = e.detail.value this.keyWord = val; if(!val || val ==''){ this.searchBox = f 阅读全文