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//设置当前请求方法为POST，表示REST风格中的添加操作
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@RequestMapping(value = "/users",method = RequestMethod.POST)
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@ResponseBody
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public String save(){
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    System.out.println("user save...");
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    return "{'module':'user save'}";
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}
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//设置当前请求方法为DELETE，表示REST风格中的删除操作
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//@PathVariable注解用于设置路径变量（路径参数），要求路径上设置对应的占位符，并且占位符名称与方法形参名称相同
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@RequestMapping(value = "/users/{id}",method = RequestMethod.DELETE)
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@ResponseBody
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public String delete(@PathVariable Integer id){
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    System.out.println("user delete..." + id);
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    return "{'module':'user delete'}";
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}

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import org.springframework.context.annotation.Configuration;
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import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
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import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
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@Configuration
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public class SpringMvcSupport extends WebMvcConfigurationSupport {
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    //设置静态资源访问过滤，当前类需要设置为配置类，并被扫描加载
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    @Override
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    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
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        //当访问/pages/????时候，从/pages目录下查找内容
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        registry.addResourceHandler("/pages/**").addResourceLocations("/pages/");
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        registry.addResourceHandler("/js/**").addResourceLocations("/js/");
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        registry.addResourceHandler("/css/**").addResourceLocations("/css/");
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        registry.addResourceHandler("/plugins/**").addResourceLocations("/plugins/");
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    }
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}