jsp查詢(xún)并顯示查詢(xún)內(nèi)容 怎樣用JSP做一個(gè)查詢(xún)界面?
怎樣用JSP做一個(gè)查詢(xún)界面?示例:JSP頁(yè)面:<inputname=“user name”>背景:stringsql=“select*from user where user name=?“/
怎樣用JSP做一個(gè)查詢(xún)界面?
示例:JSP頁(yè)面:<inputname=“user name”>背景:stringsql=“select*from user where user name=?“//從user表中查詢(xún)指定用戶(hù)名的數(shù)據(jù)以獲取文本框中的值:stringname=請(qǐng)求獲取參數(shù)(“user name”),然后獲取連接對(duì)象connpresparatementpstmt=連接準(zhǔn)備聲明() pstmt.set字符串(1,name)//將SQL語(yǔ)句拼接成Finally,執(zhí)行SQL語(yǔ)句:select*from user where username=(name的值)