播放框架-简单表达的非法开始 [英] Play framework - illegal start of simple expression
问题描述
我正在尝试实现一个过滤器功能,该功能将按业务类型显示业务.这是搜索表单",用户可以在其中选择他们想要显示的业务类型
I am trying to implement a filter functionality that will display businesses by their type. This is the "search form" where the user can select what type of business they want to display
@(businessList: List[Business], formSearch: Form[Business])
@import helper._
@main("All businesses"){
@form(action=routes.Application.displayAllBusinesses("")){
@select(formSearch("type"),options(Seq("Dining","Accomodation","Manufacturing","Retail", "Services")),'_label ->"Business Type",'_default->"--Select a business type--")
<input type="submit" class="btn btn-success" value="Search by type">
<a class="btn" href="@routes.Application.displayAllBusinesses()">Show all businesses</a>
<a class="btn" href="/registerBusiness">Register a business</a>
}
然后我有一个for循环来显示所有业务:
Then I have a for loop to display all the businesses:
<ul>
@for(business <- businessList) {
<li>
<p>Business Name: @business.getName()</p>
<p>Business Type: @business.getType()</p>
<p>Business Email: @business.getEmail()</p>
<p>Business Location: @business.getLocation()</p>
<p>Business Description: @business.getDescription()</p>
<p>Id is: @business.id </p>
<a class="btn" href="@routes.Application.displayUpdateBusiness(business.id)">Update</a>
@form(routes.Application.deleteBusiness(business.id)) {
<input class="btn" type="submit" value="Delete">
}
</li>
}
</ul>
当用户提交表单时,displayAllbusinesses路由如下所示(这是出现错误的地方):
When the user submits their form the displayAllbusinesses route looks like (This is where the error comes up):
GET /listBusinesses controllers.Application.displayAllBusinesses(type: String ?= "all")
app/Application.java中的displayAllbusinesses方法是:
The displayAllbusinesses method in app/Application.java is:
public static Result displayAllBusinesses(String type){
List<Business> businesses;
if(type=="all"){
businesses = allBusinesses;
} else {
businesses = Business.find.where().like("type", type).findList();
//TRACE
System.out.println(businesses);
}
return ok(listBusinesses.render(businesses, businessForm));
}
当我运行此代码时,对于/listBusinesses路由,我得到了简单表达式的非法开头".这是什么意思?
When I run this code I get a "illegal start of simple expression" for the /listBusinesses route. What does this mean?
推荐答案
答案:我在路线中使用大写字母
Answer: I capitalized type in routes
controllers.Application.displayAllBusinesses(Type: String ?= "all")
并将搜索表单更改为大写类型
and changed the search form to have type capitalized also
@form(action=routes.Application.displayAllBusinesses("")){
@select(formSearch("Type"),options(Seq("Dining","Accomodation","Manufacturing","Retail", "Services")),'_label ->"Business Type",'_default->"--Select a business type--")
现在可以使用.变身
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