页面代码:
<jsp:useBean id="bbb" scope="session" class="untitled3.Untitled1">
</jsp:useBean>
<%
String str=bbb.getSample();
%>
<%str=bbb.aa(3);%>
</form>包代码:
package untitled3;
public class Untitled1 {
private String sample = "Start value bbb";
//Access sample property
public String getSample() {
return sample;
}
//Access sample property
public int aa(int invar){
if (1<invar)
return 1;
else if (1>invar)
return -1;
return 0;
}
public void setSample(String newValue) {
if (newValue!=null) {
sample = newValue;
}
}
}
页面上面这一句话<%str=bbb.aa(3);%>为何老是报错?
<jsp:useBean id="bbb" scope="session" class="untitled3.Untitled1">
</jsp:useBean>
<%
String str=bbb.getSample();
%>
<%str=bbb.aa(3);%>
</form>包代码:
package untitled3;
public class Untitled1 {
private String sample = "Start value bbb";
//Access sample property
public String getSample() {
return sample;
}
//Access sample property
public int aa(int invar){
if (1<invar)
return 1;
else if (1>invar)
return -1;
return 0;
}
public void setSample(String newValue) {
if (newValue!=null) {
sample = newValue;
}
}
}
页面上面这一句话<%str=bbb.aa(3);%>为何老是报错?
解决方案 »
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