新增add project按钮

src/main/java/com/web/web_assignment/ProjectBean.java

@@ -106,6 +106,11 @@ public class ProjectBean implements Serializable {
         this.selectedKeywords = new ArrayList<>(project.getKeywords());
     }
 
+    public void addProject() {
+        project = new Project("", "", "", new ArrayList<>(), "", new ArrayList<>(), "", "");
+        projects.add(project);
+    }
+
     public String loadProject(String title) {
         project = projects.stream().filter(p -> p.getTitle().equals(title)).findFirst().orElse(null);
         return "project.xhtml?faces-redirect=true";

src/main/webapp/edit.xhtml

@@ -22,6 +22,12 @@
                             <f:ajax render="project-form form"/>
                         </h:commandButton>
                     </ui:repeat>
+                    <div class="form-group">
+                        <h:commandButton value="Add Project" action="#{projectBean.addProject}"
+                                         styleClass="project-button">
+                            <f:ajax render="project-form form"/>
+                        </h:commandButton>
+                    </div>
                 </section>
             </h:form>
             <h:form id="project-form" styleClass="project-form">