Olá a todos.
Alguém sabe como pego a minha variável definida na JSP dentro de uma função javascript.
Com o código abaixo não está dando certo:
[code]<%
String x1v[] = {"0.0", "1000.0", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var a = x1v[1];
alert(a);
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]
1 curtida
faz assim:
[code]<%
String x1v[] = {"0.0", "1000.0", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var a = <%=x1v[1]%>;
alert(a.value);
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]
Ok Renan, valeu!
E para passar o array todo? como faço?
De novo, o código abaixo não funciona:
[code]<%
String x1v[] = {"0.0", "1000.8", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
int ii;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var tama = <%=tam%>;
var array = new Array(tama);
for (var i = 0; i < tama; i++) {
<%ii=%> = i;
array[i] = <%=x1v[ii]%>;
}
var a = <%=x1v[1]%>;
alert(a);
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]
faz assim
[code]<%
String x1v[] = {"0.0", "1000.8", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
int ii;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var a = new Array;
<%
for(int i = 0; i < x1v.length; i++) {
%>
a[i] = <%=x1v[i]%>;
alert(a[i].value);
<%
}
%>
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]
é isso?
Renan, alterei algumas coisas e funcionou beleza. Valeu.
Segue o código, []s, Gilson.
[code]<%
String x1v[] = {"0.0", "1000.8", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
int ii;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var a = new Array();
<%
for(int i = 0; i < x1v.length; i++) {
%>
var ii = <%=i%>;
a[ii] = <%=x1v[i]%>;
alert(a[ii]);
<%
}
%>
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]
cara, realmente aquele outro codigo estava com erro.
olha, vc naum precisa criar outra variável (ii)…
segue meu codigo correto…
[code]<%
String x1v[] = {"0.0", "1000.8", "2000.0", "3000.0", "4000.0", "4500.0", "5000.0"};
String y1v[] = {"7.0", "8.3", "9.59", "7.2", "10.9", "8.0", "11.0"};
int tam = 7;
int ii;
%>
<HTML><HEAD></HEAD><BODY>
<javascript>
function passaVar() {
var a = new Array();
<%
for(int i = 0; i < x1v.length; i++) {
%>
a[<%=i%>] = <%=x1v[i]%>;
alert(a[<%=i%>]);
<%
}
%>
}
<javascript>
<FORM>
<INPUT type="button" value="passa variáveis"
onClick = "passaVar();">
</FORM>
</HTML>[/code]