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RoR视图到Java的转换_Java_Ruby On Rails_Groovy - Fatal编程技术网

RoR视图到Java的转换

RoR视图到Java的转换,java,ruby-on-rails,groovy,Java,Ruby On Rails,Groovy,出于某些原因,我试图将以下RoR视图代码转换为GSP视图: 列出对象包含我要在3列中显示的数据 <% modulo_objects = @objects.length % 3 base = @objects.length / 3 base = base.ceil case modulo_objects when 0 cols = [base, base, base] when 1 cols = [base, base + 1, base] when 2 cols = [

出于某些原因,我试图将以下RoR视图代码转换为GSP视图:

列出对象
包含我要在3列中显示的数据

<% 
modulo_objects = @objects.length % 3
base = @objects.length / 3
base = base.ceil
case modulo_objects
  when 0
 cols = [base, base, base]
  when 1
 cols = [base, base + 1, base]
  when 2
 cols = [base + 1, base, base + 1]
end

counter = 0
%>

<% 3.times do |i| %>
 <td width="220" align="center" style="padding-right: 15px;">
      <% cols[i].times do %>
  <h1><a href="/objects/show/<%= @objects[counter].urlname %>" ><%= @objects[counter].name %></a></h1>
  <% counter = counter + 1 %>
  <% end %>
 </td>
<% end %>

到目前为止,我得到的是:

#{extends 'main.html' /}
%{
modulo_objects = objects.size() % 3
base = objects.size() / 3
base = Math.ceil(base)
if(modulo_objects == 0)
    cols = [base, base, base]
else if(modulo_objects == 1)
    cols = [base, base + 1, base]
else if(modulo_objects == 2)
    cols = [base + 1, base, base + 1]
endif

counter = 0

}%

 #{list items:1..3, as:'i'}
     <td width="220" align="center" style="padding-right: 15px;">
         #{list items:cols[i]}
            <a href="@{Objects.show(objects.get(counter).name.replaceAll(" ", "-"))}" >${objects.get(counter).name}</a>
            %{ counter = counter + 1 }%
         #{/list}
     </td>
 #{/list}
#{扩展'main.html'/}
%{
modulo_objects=objects.size()%3
base=objects.size()/3
base=Math.ceil(base)
if(模_对象==0)
cols=[base,base,base]
else if(模_对象==1)
cols=[基本,基本+1,基本]
else if(模_对象==2)
cols=[base+1,base,base+1]
恩迪夫
计数器=0
}%
#{列出项目:1..3,如:'i'}
#{列表项:cols[i]}
%{计数器=计数器+1}%
#{/list}
#{/list}
其想法是将项目组织在3列中,例如1 | 0 | 1 4 | 5 | 4或5 | 4 | 5, 我真的不明白
#{list items:cols[I]}
是否会复制ruby的
cols[I]

到目前为止,Java视图显示的元素不超过两个。

只是一条注释(抱歉,您没有权限):

我确实认为html上面的代码应该放在控制器上,因为这种编码风格使MVC框架无效:p只是说

public static List[]splitIn(List objects,int i){
  public static List<Object>[] splitIn(List<Object> objects, int i) {

    int base_objects = objects.size() / i;
    int modulo_objects = objects.size() % i;
    int[] colSize = new int[i];

    switch (modulo_objects) {
        case 0:
            colSize[0] = base_objects;
            colSize[1] = base_objects;
            colSize[2] = base_objects;
            break;
        case 1:
            colSize[0] = base_objects;
            colSize[1] = base_objects + 1;
            colSize[2] = base_objects;
            break;
        case 2:
            colSize[0] = base_objects + 1;
            colSize[1] = base_objects;
            colSize[2] = base_objects + 1;
            break;
    }

    List<Object>[] columns = new List[i];

    int count = 0;
    for (int x = 0; x < i; x++) {
        List<Object> col_objects = new ArrayList();
        int colCount = 0;
        while (colCount < colSize[x]) {
            Object Object = (Object) objects.get(count);
            col_objects.add(Object);
            colCount++;
            count++;
        }
        columns[x] = col_objects;
    }
    return columns;
}






#{list cols, as:'column'}
  <td width="220" align="center" style="padding-right: 15px;">
      #{list column, as:'object'}
                <h1><a href="@{Objects.show(object.urlName())}" >${object.name}</a></h1>
      #{/list}
   </td>
   #{/list}
int base_objects=objects.size()/i; int modulo_objects=objects.size()%i; int[]colSize=新的int[i]; 开关(模对象){ 案例0: colSize[0]=基本对象; colSize[1]=基本对象; colSize[2]=基本对象; 打破 案例1: colSize[0]=基本对象; colSize[1]=基本对象+1; colSize[2]=基本对象; 打破 案例2: colSize[0]=基本对象+1; colSize[1]=基本对象; colSize[2]=基本对象+1; 打破 } 列表[]列=新列表[i]; 整数计数=0; 对于(int x=0;x
Hi mnml。你需要说问题出在哪里。你刚刚说了你在做什么。有些东西不起作用了吗?亚马逊的机械土耳其人不是更适合这个任务的地方吗?