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要自定义ModelAndView的视图解析,可以通过实现ViewResolver接口来自定义视图解析器。以下是一个简单的示例:
- 创建一个自定义视图解析器类,实现ViewResolver接口:
public class CustomViewResolver implements ViewResolver { @Override public View resolveViewName(String viewName, Locale locale) throws Exception { if (viewName.startsWith("custom:")) { return new CustomView(viewName.substring(7)); } return null; } }
- 创建一个自定义视图类,继承AbstractUrlBasedView类,并实现render方法:
public class CustomView extends AbstractUrlBasedView { public CustomView(String url) { setUrl(url); } @Override protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception { // 自定义视图渲染逻辑 response.getWriter().write("Custom View: " + getUrl()); } }
- 在Spring配置文件中注册自定义视图解析器:
<bean id="viewResolver" class="com.example.CustomViewResolver"/>
通过以上步骤,就可以实现自定义ModelAndView的视图解析,当视图名称以"custom:"开头时,会使用自定义视图解析器来解析视图。