我的托管 bean 中有一种方法,它以字符串形式返回 javascript。当该方法被调用时head
标签,效果很好。但是当它被调用时body
,浏览器不会渲染 JavaScript,而是按原样编写。可能是什么问题?
当我这样做时在我的 JSF 页面中#{IndexBean.EastRegionGadgets}
in head
它工作正常,但它不body
。它按原样输出 HTML。这是代码:
package BusinessFacade;
import java.util.ArrayList;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.component.html.HtmlOutputText;
enum REGION{
NORTH,EAST,WEST;
}
class Gadget{
private String gadgetCode = "";
private REGION gadgetRegion = REGION.WEST;
public Gadget(String gadgetCode, REGION gadgetRegion){
this.gadgetCode = gadgetCode;
this.gadgetRegion = gadgetRegion;
}
public String getGadgetCode() {
return gadgetCode;
}
public void setGadgetCode(String gadgetCode) {
this.gadgetCode = gadgetCode;
}
public REGION getGadgetRegion() {
return gadgetRegion;
}
public void setGadgetRegion(REGION gadgetRegion) {
this.gadgetRegion = gadgetRegion;
}
}
@ManagedBean(name="IndexBean")
@RequestScoped
public class IndexBean {
ArrayList<Gadget> _list;
public IndexBean() {
}
@PostConstruct
public void initialize(){
_list = new ArrayList<Gadget>();
Gadget objGadget = new Gadget("<script type='text/javascript' src='http://cdn.widgetserver.com/syndication/subscriber/InsertWidget.js'></script><script>if (WIDGETBOX) WIDGETBOX.renderWidget('78d12c15-dc87-42f2-a78a-3f62a91a119a');</script><noscript>Get the <a href='http://www.widgetbox.com/widget/crystal-clock'>Crystal Clock</a> widget and many other <a href='http://www.widgetbox.com/'>great free widgets</a> at <a href='http://www.widgetbox.com'>Widgetbox</a>! Not seeing a widget? (<a href='http://docs.widgetbox.com/using-widgets/installing-widgets/why-cant-i-see-my-widget/'>More info</a>)</noscript>",REGION.WEST);
_list.add(objGadget);
objGadget = new Gadget("<script type='text/javascript' src='http://cdn.widgetserver.com/syndication/subscriber/InsertWidget.js'></script><script>if (WIDGETBOX) WIDGETBOX.renderWidget('1ccc3dee-8266-4b84-8191-13a4bf584d0c');</script><noscript>Get the <a href='http://www.widgetbox.com/widget/custom-clock'>Shiny Clock</a> widget and many other <a href='http://www.widgetbox.com/'>great free widgets</a> at <a href='http://www.widgetbox.com'>Widgetbox</a>! Not seeing a widget? (<a href='http://docs.widgetbox.com/using-widgets/installing-widgets/why-cant-i-see-my-widget/'>More info</a>)</noscript>",REGION.EAST);
_list.add(objGadget);
}
public String getWestRegionGadgets(){
HtmlOutputText objHtmlOutputText = new HtmlOutputText();
String strGadgets = "";
for(Gadget objGadget:_list ){
if(objGadget.getGadgetRegion() == REGION.WEST){
strGadgets += objGadget.getGadgetCode();
}
}
return strGadgets;
}
public String getEastRegionGadgets(){
String strGadgets = "";
for(Gadget objGadget:_list ){
if(objGadget.getGadgetRegion() == REGION.EAST){
strGadgets += objGadget.getGadgetCode();
}
}
return strGadgets;
}
}
当我这样做时在我的 JSF 页面中#{IndexBean.EastRegionGadgets}
in head
它工作正常,但它不body
。它按原样输出 HTML。
我想你正在使用<h:outputText>
in body
输出 HTML。根据文档它默认转义 HTML。你需要设置它的escape
归因于false
.
<h:outputText value="#{bean.html}" escape="false" />
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