handlebars.js报错

本文解决了一个关于Handlebars.js模板编译的常见错误,详细介绍了如何正确使用jQuery选择器获取模板字符串,并通过一个实例演示了从获取模板到渲染数据的完整过程。

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错误打印:

Error: You must pass a string or Handlebars AST to Handlebars.compile

出现这个错误我是因为var tpl =$("guestList").html那里没有写(), 在网上复制后没注意。

 

 

正确的:

<!DOCTYPE html>
<html>
<head>
<script src="ui/jquery-3.4.1.js"></script>

<script src="ui/handlebars-v4.1.2.js"></script>


</head>
   
<body>
 <div class="guest_ul">
 </div>
</body>
<script type="text/template" id="guestList">
  {{value}}
 </script>
 <script type="text/javascript">
    var tpl =$('#guestList').html();
    var template = Handlebars.compile(tpl);
    var data={ value:'12312' }
    var html = template(data);
    $('.guest_ul').html(html);
  </script>
</html>

 

ERROR Failed to compile with 50 errors22:16:37 These dependencies were not found: * @element-plus/icons-vue/dist/es/arrow-down.mjs in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * @form-create/component-wangeditor in ./src/index.js * @form-create/element-ui in ./examples/main.js, ./src/utils/form.js * @form-create/utils in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/style/BorderInput.vue?vue&type=script&lang=js * @form-create/utils/lib/debounce in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FcDesigner.vue?vue&type=script&lang=js * @form-create/utils/lib/deepextend in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FetchConfig.vue?vue&type=script&lang=js * @form-create/utils/lib/extend in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/TableOptions.vue?vue&type=script&lang=js, ./src/utils/index.js * @form-create/utils/lib/json in ./src/utils/index.js * @form-create/utils/lib/mergeprops in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FcDesigner.vue?vue&type=script&lang=js * @form-create/utils/lib/mitt in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FcDesigner.vue?vue&type=script&lang=js * @form-create/utils/lib/toarray in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FcDesigner.vue?vue&type=script&lang=js * @form-create/utils/lib/tocase in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FcDesigner.vue?vue&type=script&lang=js, ./src/utils/index.js * @form-create/utils/lib/type in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/Required.vue?vue&type=script&lang=js and 2 others * @form-create/utils/lib/unique in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/EventConfig.vue?vue&type=script&lang=js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/table/TableView.vue?vue&type=script&lang=js and 1 other * codemirror/addon/hint/javascript-hint in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnEditor.vue?vue&type=script&lang=js * codemirror/addon/hint/show-hint in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnEditor.vue?vue&type=script&lang=js * codemirror/addon/hint/show-hint.css in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnEditor.vue?vue&type=script&lang=js * codemirror/addon/lint/json-lint in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/addon/lint/lint in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/addon/lint/lint.css in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/addon/mode/overlay in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/addon/mode/simple in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/addon/selection/selection-pointer in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/lib/codemirror in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnEditor.vue?vue&type=script&lang=js * codemirror/lib/codemirror.css in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnInput.vue?vue&type=script&lang=js * codemirror/mode/css/css in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/mode/handlebars/handlebars in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/mode/htmlmixed/htmlmixed in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/mode/javascript/javascript in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/FnEditor.vue?vue&type=script&lang=js * codemirror/mode/pug/pug in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/mode/vue/vue in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * codemirror/mode/xml/xml in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./examples/App.vue?vue&type=script&lang=js * element-plus in ./examples/main.js, ./src/utils/message.js <s> [webpack.Progress] 100% * element-plus/dist/index.css in ./examples/main.js * js-beautify in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/Struct.vue?vue&type=script&lang=js * signature_pad in E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/SignaturePad.vue?vue&type=script&lang=js * vuedraggable/src/vuedraggable in ./src/index.js, E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--13-0!E:/20250722/form-create-designer/node_modules/babel-loader/lib!E:/20250722/form-create-designer/node_modules/cache-loader/dist/cjs.js??ref--1-0!E:/20250722/form-create-designer/node_modules/@vue/cli-service/node_modules/vue-loader-v16/dist??ref--1-1!./src/components/DragBox.vue?vue&type=script&lang=js To install them, you can run: npm install --save @element-plus/icons-vue/dist/es/arrow-down.mjs @form-create/component-wangeditor @form-create/element-ui @form-create/utils @form-create/utils/lib/debounce @form-create/utils/lib/deepextend @form-create/utils/lib/extend @form-create/utils/lib/json @form-create/utils/lib/mergeprops @form-create/utils/lib/mitt @form-create/utils/lib/toarray @form-create/utils/lib/tocase @form-create/utils/lib/type @form-create/utils/lib/unique codemirror/addon/hint/javascript-hint codemirror/addon/hint/show-hint codemirror/addon/hint/show-hint.css codemirror/addon/lint/json-lint codemirror/addon/lint/lint codemirror/addon/lint/lint.css codemirror/addon/mode/overlay codemirror/addon/mode/simple codemirror/addon/selection/selection-pointer codemirror/lib/codemirror codemirror/lib/codemirror.css codemirror/mode/css/css codemirror/mode/handlebars/handlebars codemirror/mode/htmlmixed/htmlmixed codemirror/mode/javascript/javascript codemirror/mode/pug/pug codemirror/mode/vue/vue codemirror/mode/xml/xml element-plus element-plus/dist/index.css js-beautify signature_pad vuedraggable/src/vuedraggable
最新发布
07-24
### Backbone.js 错误解决方案 在开发过程中遇到 Backbone.js 的错误是很常见的现象。以下是针对常见 Backbone.js 报错的一些分析和解决方法: #### 1. **Undefined Model or Collection** 如果模型或集合未正确定义,则可能会抛出 `undefined` 或其他类似的错误。这通常发生在文件加载顺序不正确的情况下。 确保按照正确的顺序引入依赖项,例如 jQuery 和 Underscore 应该先于 Backbone 加载[^1]。 可以通过以下方式验证加载顺序: ```javascript console.log(Backbone); // 检查 Backbone 是否已成功加载 ``` #### 2. **Sync Errors (404 Not Found)** 当尝试保存或获取数据时,服务器返回 404 错误可能是由于 URL 配置不当引起的。确认 `model.urlRoot` 或 `collection.url` 属性设置无误。 示例配置如下: ```javascript var MyModel = Backbone.Model.extend({ urlRoot: '/api/my-model' }); var myInstance = new MyModel({ id: 1 }); myInstance.fetch(); // 将会向 /api/my-model/1 发起请求 ``` 此问题也可能由 CORS 跨域策略引起,需检查服务器端是否允许跨域访问。 #### 3. **Event Binding Issues** 事件绑定失败通常是由于视图被销毁后仍试图触发事件所致。建议在视图关闭前清理所有监听器以防止内存泄漏。 实现方法可以是重写 `remove` 方法来解除绑定: ```javascript var MyView = Backbone.View.extend({ remove: function() { this.stopListening(); return Backbone.View.prototype.remove.apply(this, arguments); } }); ``` #### 4. **Template Rendering Problems** 模板渲染异常可能源于路径错误或者语法问题。Vue 使用的是基于 HTML 的模板系统而 React 利用了 JSX;相比之下,Backbone 更倾向于传统的 JavaScript 字符串拼接或是通过 Handlebars 等库处理模板[^2]。 推荐做法是在调试阶段打印最终生成的内容以便定位具体位置: ```javascript render: function () { var template = _.template($('#item-template').html()); this.$el.html(template(this.model.toJSON())); } ``` #### 5. **Progress Indicators During Data Fetching** 为了提升用户体验,在异步操作期间展示进度条是非常必要的。虽然 Backbone 自身并不提供此类功能组件,但可借助第三方插件完成这一需求[^3]。 比如使用 `vue-radial-progress` 来创建圆形进度指示器(尽管这里提到 Vue 插件,实际应用中可根据项目技术栈替换相应工具)。对于纯 Backbone 场景下,也可以手动控制 DOM 显示隐藏状态达到相同效果。 ```javascript beforeFetchData: function(){ $('#loadingIndicator').show(); }, afterFetchData: function(response){ $('#loadingIndicator').hide(); console.log('Fetched data:', response); } ``` 以上就是关于 Backbone.js 常见错误及其对应解决方案的部分总结。
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