eval.asp
%@ LANGUAGE='JAVASCRIPT'%>
script Language="javascript" runat=server>
eval("var f1=1,f2=2,f3=3;");
Response.Write(f1+"br/>");
Response.Write(f2+"br/>");
Response.Write(f3+"br/>");
/script>
運(yùn)行結(jié)果：
1
2
3
eval01.aspx
%@ LANGUAGE='JAVASCRIPT' DEBUG="true"%>
script Language="javascript" runat=server>
eval("var f1=1,f2=2,f3=3;");
Response.Write(f1+"br/>");
Response.Write(f2+"br/>");
Response.Write(f3+"br/>");
/script>
第三行出現(xiàn)語(yǔ)法錯(cuò)誤!
可以通過(guò)對(duì)一個(gè)空對(duì)象動(dòng)態(tài)加屬性的方法，解決按表字段來(lái)定義變量的問(wèn)題：
表名:T
F1 int,
F2 char(10),
F3 datetime
asp:
eval(“var F1='',F2='',F3='';”);
Response.Write(“F1=”+F1);
aspx:
var T={};
T[“F1”]=””;
T[“F2”]=””;
T[“F3”]=””;
Response.Write(“F1=”+T.F1);
%@ LANGUAGE='JScript' DEBUG="true"%>
%
var TAB={
};
var n=12;
var FLD;
for(var i=0;in;i++)
{
FLD= "F0"+((i10)?("00"):((i100)?("0"):("")))+i;
TAB[FLD]=i+1000;
}
for(var i=0;in;i++)
{
FLD= "F0"+((i10)?("00"):((i100)?("0"):("")))+i;
Response.Write(TAB[FLD]+"br/>");
}
%>