Polymer 1.0移动网络应用程序看起来不对
您好我在使用cakephp的铁列表演示中有这个工作示例：
<?php
use Cake\Routing\Router;
?>
<!doctype html>
<html>
<head>
<title>iron-list and paper-scroll-header-panel demo</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
<?php echo $this->Html->script('/bower_components/webcomponentsjs/webcomponents-lite.min.js'); ?>
<link rel="import" href="<?= Router::url('/'); ?>bower_components/polymer/polymer.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-toolbar/paper-toolbar.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-scroll-header-panel/paper-scroll-header-panel.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-ajax/iron-ajax.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-icons/iron-icons.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-list/iron-list.html">
<style is="custom-style">
paper-scroll-header-panel {
@apply(--layout-fit);
@apply(--layout-vertical);
@apply(--paper-font-common-base);
}
paper-toolbar.tall .title {
font-size: 40px;
margin-left: 60px;
-webkit-transform-origin: left center;
transform-origin: left center;
overflow: visible;
}
paper-toolbar paper-icon-button {
--paper-icon-button-ink-color: white;
}
iron-list {
background-color: var(--paper-grey-200, #eee);
padding-bottom: 16px;
}
.item {
@apply(--layout-horizontal);
margin: 16px 16px 0 16px;
padding: 20px;
border-radius: 8px;
background-color: white;
border: 1px solid #ddd;
}
.item:focus {
outline: 0;
border-color: #666;
}
.avatar {
height: 40px;
width: 40px;
border-radius: 20px;
box-sizing: border-box;
background-color: #DDD;
}
.pad {
padding: 0 16px;
@apply(--layout-flex);
@apply(--layout-vertical);
}
.primary {
font-size: 16px;
font-weight: bold;
}
.secondary {
font-size: 14px;
}
.dim {
color: gray;
}
</style>
</head>
<body unresolved>
<template is="dom-bind">
<iron-ajax url="<?= $this->Url->build(["controller" => "Users","action" => "test.json"]); ?>" last-response="{{data}}" auto></iron-ajax>
<paper-scroll-header-panel class="fit" condenses keep-condensed-header>
<paper-toolbar>
<paper-icon-button icon="arrow-back" alt="Back"></paper-icon-button>
<div class="flex"></div>
<paper-icon-button icon="search" alt="Search"></paper-icon-button>
<paper-icon-button icon="more-vert" alt="More options"></paper-icon-button>
<div class="bottom title">iron-list</div>
</paper-toolbar>
<iron-list items="[[data.user]]" as="item">
<template>
<div>
<div class="item" tabindex="0">
<img class="avatar" src="[[item.image]]">
<div class="pad">
<div class="primary">[[item.email]]</div>
<div class="secondary">[[item.phone]]</div>
<div class="secondary dim">[[item.token]]</div>
</div>
<iron-icon icon$="[[iconForItem(item)]]"></iron-icon>
</div>
</div>
</template>
</iron-list>
</paper-scroll-header-panel>
</template>
<script>
document.querySelector('template[is=dom-bind]').iconForItem = function(item) {
return item ? (item.integer < 50 ? 'star-border' : 'star') : '';
};
</script>
</body>
</html>
这是演示中的相同示例，如果是铁列表，我只是改变了一些基本的东西，使其与我的cakephp架构一起工作。
现在我希望在自定义Polymer元素中包含所有这些内容。所以我这样做了：
<dom-module id="proto-element">
<template>
<style is="custom-style">
paper-scroll-header-panel {
@apply(--layout-fit);
@apply(--layout-vertical);
@apply(--paper-font-common-base);
}
paper-toolbar.tall .title {
font-size: 40px;
margin-left: 60px;
-webkit-transform-origin: left center;
transform-origin: left center;
overflow: visible;
}
paper-toolbar paper-icon-button {
--paper-icon-button-ink-color: white;
}
iron-list {
background-color: var(--paper-grey-200, #eee);
padding-bottom: 16px;
}
.item {
@apply(--layout-horizontal);
margin: 16px 16px 0 16px;
padding: 20px;
border-radius: 8px;
background-color: white;
border: 1px solid #ddd;
}
.item:focus {
outline: 0;
border-color: #666;
}
.avatar {
height: 40px;
width: 40px;
border-radius: 20px;
box-sizing: border-box;
background-color: #DDD;
}
.pad {
padding: 0 16px;
@apply(--layout-flex);
@apply(--layout-vertical);
}
.primary {
font-size: 16px;
font-weight: bold;
}
.secondary {
font-size: 14px;
}
.dim {
color: gray;
}
</style>
<iron-ajax url="<?= $this->Url->build(["controller" => "Users","action" => "test.json"]); ?>" last-response="{{data}}" auto></iron-ajax>
<paper-scroll-header-panel class="fit" condenses keep-condensed-header>
<paper-toolbar>
<paper-icon-button icon="arrow-back" alt="Back"></paper-icon-button>
<div class="flex"></div>
<paper-icon-button icon="search" alt="Search"></paper-icon-button>
<paper-icon-button icon="more-vert" alt="More options"></paper-icon-button>
<div class="bottom title">iron-list</div>
</paper-toolbar>
<iron-list items="[[data.user]]" as="item">
<template>
<div>
<div class="item" tabindex="0">
<img class="avatar" src="[[item.image]]">
<div class="pad">
<div class="primary">[[item.email]]</div>
<div class="secondary">[[item.phone]]</div>
<div class="secondary dim">[[item.token]]</div>
</div>
<iron-icon icon$="[[iconForItem(item)]]"></iron-icon>
</div>
</div>
</template>
</iron-list>
</paper-scroll-header-panel>
</template>
<script>
// register a new element called proto-element
Polymer({
is: "proto-element",
iconForItem: function (item) {
return item ? (item.integer < 50 ? 'star-border' : 'star') : '';
}
});
</script>
</dom-module>
然后在我的html文件中，我导入了所需的聚合物元素/文件，并使用了这样的元素：
<?php
use Cake\Routing\Router;
?>
<!DOCTYPE html>
<html>
<head>
<?php echo $this->Html->script('/bower_components/webcomponentsjs/webcomponents-lite.min.js'); ?>
<link rel="import" href="<?= Router::url('/'); ?>bower_components/polymer/polymer.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-flex-layout/iron-flex-layout.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-toolbar/paper-toolbar.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-scroll-header-panel/paper-scroll-header-panel.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-ajax/iron-ajax.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-icons/iron-icons.html">
<link rel="import" href="<?= Router::url('/'); ?>bower_components/iron-list/iron-list.html">
<?= $this->element('Polymer/proto-element');?>
</head>
<body unresolved>
<proto-element></proto-element>
</body>
</html>
当我在笔记本电脑中查看结果时，结果完全相同。但是当我从手机打开页面时问题出现了。第一个选项按预期很好地呈现：
但是第二个选项（当我将列表包含在自定义元素中时）显示缩小的列表，一切都很小并且不可用：
我做错了吗？如何在我的自定义Polymer元素中使用这个铁列表示例？
谢谢
1 个答案:
答案 0 :(得分：1)
我发现了问题。这么简单......
您需要添加元标记！
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1, user-scalable=yes">
<meta name="mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-capable" content="yes">
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