Dialplan 手写的简单学员成绩电话查询系统
下面为简单的一个电话查询系统，功能很小，练练手，功能基本OK，但不够尽善尽美，只能满足基本的功能。
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IVR：欢迎致电学员成绩电话查询系统，学员成绩查询请按1，人工查询请按2，学员管理请按3（管理员使用）。。。按其它键提示错误或重新回到什么什么按1或2
按键1：请输入学员编号，如果输入没有该编号，提示不存在或再提示回到请输入学员拨号，输入正确后提示“您的成绩为多少多少分”然后挂机.(当然这里还很多什么什么重新查询啊。什么的。。原理一样.我就没继续做了)
按键2: 转某个分机，或者队列。。。
按键3：（先提示输入管理员密码）修改学员成绩请按1，删除错误学员成绩请按2（添加学员编号就没做了。）
按1：请输入要修改学员的编号（与数据库查询，同样输入不存在的编号，提示错误，或重新提示），然后提示请输入要修改次学员的成绩，输入后提示修改成功，并重新读取数据，提示修改后的成绩为多少多少
按2： 请输入要删除学员成绩的编号，(与数据库查询，同样输入不存在的编号，提示错误，或重新提示),输入正确后，提示删除成功。。什么什么
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数据库结构：
s_uid s_name s_relts
(学员编号) （学员姓名） （学员成绩）
1000 浩子 888
1001 voip 666
........ ........ .......
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下面为整个实现功能的Dialplan 代码，有点乱，程序当然还可以优化，先这么整吧。。
[code]
[globals] ;定义全局变量
;................................................mysql
DBCurrentHost=localhost
DBuser=root
DBpass=888888
DBname=asterisk_test
;........................................
[from-internal] ;欢迎提示，xxxxxx按1或按2
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n(read1),Read(a,stu/welcome,1,,2,5)
exten => _x.,n(lan1),Gotoif($["${a}"="1"]?menu1,${EXTEN},1:lan2)
exten => _x.,n(lan2),Gotoif($["${a}"="2"]?menu2,${EXTEN},1:lan0)
exten => _x.,n(lan0),Gotoif($["${a}"="0"]?menu0,${EXTEN},1:exen0,${EXTEN},1)
[exen0] ;欢迎提示按其它键的报错提示，然后重新回到welcome
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n,wait(1)
exten => _x.,n,Playback(stu/exen0)
exten => _x.,n,Gotoif($["1"="1"]?from-internal,${EXTEN},read1)
[menu1] ;按1键后的操作，输入学员拨号，进行查询
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n,wait(1)
exten => _x.,n(read1),Read(bhao,stu/stubhao,20,,2,5)
exten => _x.,n,Set(ID=${bhao})
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} select s_uid/,s_relts from stu where s_uid=${ID})
exten => _x.,n,MySql(Fetch foundrow ${resultidr} s_uid s_relts)
exten => _x.,n,MySql(clear ${resultidr})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,Gotoif($["${ID}"="${s_uid}"]?jieg:read1)
exten => _x.,n(jieg),playback(stu/jieg)
;exten => _x.,n,Dial(SIP/${s_relts})
exten => _x.,n,SayNumber(${s_relts})
exten => _x.,n,Playback(stu/fen)
exten => _x.,n,Hangup()
[menu2] ;人工查询后的操作
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n,Dial(SIP/8111,10)
exten => _x.,n,playback(stu/mang)
exten => _x.,n,Hangup()
[menu0] ;按0键后的操作，管理员使用
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query result ${connid} select s_pass from ampuser)
exten => _x.,n,MySql(Fetch foundrow ${result} s_pass)
exten => _x.,n,MySql(clear ${result})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,Authenticate(${s_pass})
exten => _x.,n(read1),Read(stubhao,stu/stucjivr,1,,2,5)
exten => _x.,n(lan1),Gotoif($["${stubhao}"="1"]?update,${EXTEN},1:lan2)
exten => _x.,n(lan2),Gotoif($["${stubhao}"="2"]?delete,${EXTEN},1:read1)
[update] ;修改学员成绩拨号
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n(read1),Read(update,stu/update_stu,10,,2,5)
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} select s_uid/,s_relts from stu where s_uid=${update})
exten => _x.,n,MySql(Fetch foundrow ${resultidr} s_uid s_relts)
exten => _x.,n,MySql(clear ${resultidr})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,Gotoif($["${update}"="${s_uid}"]?lanup:read1)
exten => _x.,n(lanup),Read(cj,stu/xhao1,10,,2,5)
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} update stu set s_relts ='${cj}' where s_uid=${s_uid})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} select s_uid/,s_relts from stu where s_uid=${update})
exten => _x.,n,MySql(Fetch foundrow ${resultidr} s_uid s_relts)
exten => _x.,n,MySql(clear ${resultidr})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,playback(stu/update_cj)
exten => _x.,n,SayNumber(${s_relts})
exten => _x.,n,Playback(stu/fen)
exten => _x.,n,Hangup()
[delete] ;删除错误的学员信息操作
exten => _x.,1,Answer(${EXTEN})
exten => _x.,n,NoOP(${EXTEN})
exten => _x.,n(delete1),Read(deletebhao,stu/delete_bhao,10,,2,5)
exten => _x.,n,MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} select s_uid/,s_relts from stu where s_uid=${deletebhao})
exten => _x.,n,MySql(Fetch foundrow ${resultidr} s_uid s_relts)
exten => _x.,n,MySql(clear ${resultidr})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,Gotoif($["${deletebhao}"="${s_uid}"]?delete:delete1)
exten => _x.,n(delete),MySql(connect connid ${DBCurrentHost} ${DBuser} ${DBpass} ${DBname})
exten => _x.,n,MySql(query resultidr ${connid} delete from stu where s_uid=${deletebhao})
exten => _x.,n,MySql(disconnect ${connid})
exten => _x.,n,Playback(stu/delbhao)
exten => _x.,n,SayAlpha(${deletebhao})
exten => _x.,n,Playback(stu/deletejg)
exten => _x.,n,Hangup()
; 添加就木做了