SpringMVC：多视图[JSP,JSON,Excel,XML]混合输出__Java配置方式

SpringMVC可以通过URL扩展名或请求参数来控制服务端的资源输出类型。

• SpringMVC：多视图[JSP,JSON,Excel,XML]混合输出__XML配置方式【http://blog.csdn.net/fly910905/article/details/79057245】

maven 依赖

1. <!--配置jsp jstl的支持-->
2.        <dependency>
3.            <groupId>javax.servlet</groupId>
4.            <artifactId>jstl</artifactId>
5.        </dependency>
6.        <dependency>
7.            <groupId>taglibs</groupId>
8.            <artifactId>standard</artifactId>
9.        </dependency>
10.        <!-- Needed for XML View(with JAXB2) -->
11.        <dependency>
12.            <groupId>org.springframework</groupId>
13.            <artifactId>spring-oxm</artifactId>
14.            <version>${spring.version}</version>
15.        </dependency>
17.        <!-- Needed for JSON View -->
18.        <dependency>
19.            <groupId>com.fasterxml.jackson.core</groupId>
20.            <artifactId>jackson-databind</artifactId>
21.            <version>2.6.1</version>
22.        </dependency>
23.        <dependency>
24.            <groupId>com.fasterxml.jackson.core</groupId>
25.            <artifactId>jackson-annotations</artifactId>
26.            <version>2.6.1</version>
27.        </dependency>
29.        <!-- Needed for PDF View -->
30.        <dependency>
31.            <groupId>com.lowagie</groupId>
32.            <artifactId>itext</artifactId>
33.            <version>2.1.7</version>
34.            <scope>compile</scope>
35.        </dependency>
38.        <!-- Needed for XLS View -->
39.        <dependency>
40.            <groupId>org.apache.poi</groupId>
41.            <artifactId>poi</artifactId>
42.            <version>3.14</version>
43.        </dependency>

视图解析器

1. package com.newcapec.config;
3. import com.newcapec.util.ExcelViewResolver;
4. import com.newcapec.util.PdfViewResolver;
5. import org.springframework.context.annotation.Bean;
6. import org.springframework.context.annotation.ComponentScan;
7. import org.springframework.context.annotation.Configuration;
8. import org.springframework.http.MediaType;
9. import org.springframework.web.accept.ContentNegotiationManager;
10. import org.springframework.web.servlet.View;
11. import org.springframework.web.servlet.ViewResolver;
12. import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
13. import org.springframework.web.servlet.config.annotation.EnableWebMvc;
14. import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
15. import org.springframework.web.servlet.view.ContentNegotiatingViewResolver;
16. import org.springframework.web.servlet.view.InternalResourceViewResolver;
17. import org.springframework.web.servlet.view.JstlView;
18. import org.springframework.web.servlet.view.json.MappingJackson2JsonView;
19. import org.springframework.web.servlet.view.xml.MarshallingView;
21. import java.util.ArrayList;
22. import java.util.List;
25. /**
26. * @Title: 视图解析器--配置类
27. * @ClassName: com.newcapec.cloudpay.controller.util.SpringMvcConfig.java
28. * @Description:
29. *
30. * @Copyright2016-2018 新开普 - Powered By 研发中心
31. * @author: 王延飞
32. * @date:  2018-01-1416:52
33. * @version V1.0
34. */
35. @Configuration
36. @EnableWebMvc
37. @ComponentScan(basePackages = "com.newcapec.cloudpay.controller")
38. publicclassSpringMvcConfigextendsWebMvcConfigurerAdapter {
40.    /*
41.     * Configure ContentNegotiationManager
42.     */
43.    @Override
44.    publicvoidconfigureContentNegotiation(ContentNegotiationConfigurer configurer) {
45.        configurer
46.                // 设置默认的MIME类型，如果没有指定拓展名或请求参数，则使用此默认MIME类型解析视图
47.                .defaultContentType(MediaType.TEXT_HTML)
48.                // 是否不适用请求头确定MIME类型
49.                .ignoreAcceptHeader(true)
50.                /*使用拓展名类型，不注释以下三行将使用参数（type）的方法访问*/
51.                // 是否根据路径拓展名确定MIME类型
52.                .favorPathExtension(false)
53.                // 是否使用参数来确定MIME类型
54.                .favorParameter(false)
55.                // 上一个属性配置为true,我们指定type请求参数判断MIME类型
56.                .parameterName("type");
57.    }
59.    /*
60.     * Configure ContentNegotiatingViewResolver
61.     */
62.    @Bean
63.    public ViewResolver contentNegotiatingViewResolver(ContentNegotiationManager manager) {
64.        ContentNegotiatingViewResolverresolver=newContentNegotiatingViewResolver();
65.        // 设置优先级
66.        resolver.setOrder(1);
67.        // 添加ContentNegotiationManager
68.        resolver.setContentNegotiationManager(manager);
69.        /*设置默认的候选视图，如果有合适的MIME类型，将优先从以下选择视图，找不到再在整个Spring容器里寻找已注册的合适视图 */
70.        List<View> views = newArrayList<View>();
71.        views.add(newMappingJackson2JsonView());
72.        views.add(newMarshallingView());
73.        resolver.setDefaultViews(views);
75.        /*自定义视图解析器，或者对已有的视图进行个性化配置*/
76.        // Define all possible view resolvers
77.        List<ViewResolver> resolvers = newArrayList<ViewResolver>();
78.        /*resolvers.add(jaxb2MarshallingXmlViewResolver());
79.        resolvers.add(jsonViewResolver());*/
80.        resolvers.add(jspViewResolver());
81.        resolvers.add(pdfViewResolver());
82.        resolvers.add(excelViewResolver());
83.        resolver.setViewResolvers(resolvers);
84.        return resolver;
85.    }
87.    /*
88.     * Configure View resolver to provide XML output Uses JAXB2 marshaller to
89.     * marshall/unmarshall POJO's (with JAXB annotations) to XML
90.     */
91.   /* @Bean
92.    public ViewResolver jaxb2MarshallingXmlViewResolver() {
93.        Jaxb2Marshallermarshaller=newJaxb2Marshaller();
94.        marshaller.setClassesToBeBound(Pizza.class);
95.        returnnewJaxb2MarshallingXmlViewResolver(marshaller);
96.    }*/
98.    /*
99.     * Configure View resolver to provide JSON output using JACKSON library to
100.     * convert object in JSON format.
101.     */
102.    /*  @Bean
103.    public ViewResolver jsonViewResolver() {
104.        returnnewJsonViewResolver();
105.    }*/
107.    /*
108.     * Configure View resolver to provide PDF output using lowagie pdf library to
109.     * generate PDF output for an object content
110.     */
111.    @Bean
112.    public ViewResolver pdfViewResolver() {
113.        returnnewPdfViewResolver();
114.    }
116.    /*
117.     * Configure View resolver to provide XLS output using Apache POI library to
118.     * generate XLS output for an object content
119.     */
120.    @Bean
121.    public ViewResolver excelViewResolver() {
122.        returnnewExcelViewResolver();
123.    }
125.    /*
126.     * Configure View resolver to provide HTML output This is the default format
127.     * in absence of any type suffix.
128.     */
129.    @Bean
130.    public ViewResolver jspViewResolver() {
131.        InternalResourceViewResolverviewResolver=newInternalResourceViewResolver();
132.        viewResolver.setViewClass(JstlView.class);
133.        viewResolver.setPrefix("/WEB-INF/pages/");
134.        viewResolver.setSuffix(".jsp");
135.        return viewResolver;
136.    }
138. }

自定义Excel解析器

1. package com.newcapec.config;
3. import org.springframework.web.servlet.View;
4. import org.springframework.web.servlet.ViewResolver;
6. import java.util.Locale;
8. publicclassExcelViewResolverimplementsViewResolver {
10. @Override
11. public View resolveViewName(String viewName, Locale locale)throws Exception {
12. ExcelViewview=newExcelView();
13. return view;
14.      }
16. }
17. package com.newcapec.config;
19. import org.apache.poi.hssf.usermodel.HSSFRow;
20. import org.apache.poi.hssf.usermodel.HSSFSheet;
21. import org.apache.poi.hssf.usermodel.HSSFWorkbook;
22. import org.springframework.web.servlet.view.document.AbstractExcelView;
24. import javax.servlet.http.HttpServletRequest;
25. import javax.servlet.http.HttpServletResponse;
26. import java.util.Map;
28. publicclassExcelViewextendsAbstractExcelView {
30. @Override
31. protectedvoidbuildExcelDocument(Map<String, Object> model,
32. HSSFWorkbook workbook, HttpServletRequest request,
33. HttpServletResponse response) throws Exception {
35. RspBaseVOrspBaseVO= (RspBaseVO) model.get("RspBaseVO");
36. HSSFSheetsheet= workbook.createSheet("返回结果");//创建一页
37. HSSFRowheader= sheet.createRow(0);//创建第一行
38. header.createCell(0).setCellValue("返回码");
39. header.createCell(1).setCellValue("返回信息");
40. HSSFRowrow= sheet.createRow(1);
41. row.createCell(0).setCellValue(rspBaseVO.getCode());
42. row.createCell(1).setCellValue(rspBaseVO.getMsg());
44. }
46. }

自定义PDF解析器

1. package com.newcapec.config;
3. import org.springframework.web.servlet.View;
4. import org.springframework.web.servlet.ViewResolver;
6. import java.util.Locale;
8. publicclassPdfViewResolverimplementsViewResolver {
10. @Override
11. public View resolveViewName(String viewName, Locale locale)throws Exception {
12. PdfViewview=newPdfView();
13. return view;
14.      }
16. }

1. package com.newcapec.config;
3. import com.lowagie.text.Document;
4. import com.lowagie.text.Element;
5. import com.lowagie.text.pdf.PdfPTable;
6. import com.lowagie.text.pdf.PdfWriter;
7. import org.springframework.web.servlet.view.document.AbstractPdfView;
9. import javax.servlet.http.HttpServletRequest;
10. import javax.servlet.http.HttpServletResponse;
11. import java.awt.*;
12. import java.util.Map;
14. publicclassPdfViewextendsAbstractPdfView {
16. @Override
17. protectedvoidbuildPdfDocument(Map<String, Object> model,
18. Document document, PdfWriter writer, HttpServletRequest request,
19. HttpServletResponse response) throws Exception {
21. RspBaseVOrspBaseVO= (RspBaseVO) model.get("RspBaseVO");
23. PdfPTabletable=newPdfPTable(2);
24. table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
25. table.getDefaultCell().setVerticalAlignment(Element.ALIGN_MIDDLE);
26. table.getDefaultCell().setBackgroundColor(Color.lightGray);
28. table.addCell("返回码");
29. table.addCell("返回信息");
31. table.addCell(rspBaseVO.getCode());
32. table.addCell(rspBaseVO.getMsg());
34. document.add(table);
36. }
38. }

实体

1. import javax.xml.bind.annotation.XmlRootElement;
3. /**
4. * @Title: 返回响应值--基类
5. * @ClassName:RspBaseVO.java
6. * @Description:
7. *
8. * @Copyright2016-2017 - Powered By 研发中心
9. * @author: 王延飞
10. * @date:2018年1月12日 上午07:43:41
11. * @version V1.0
12. */
13. @XmlRootElement
14. publicclassRspBaseVO {
16. private String code; // 返回码
17. private String msg; // 返回信息
18. // private String data; // 业务参数
19. public String getCode() {
20. return code;
21. }
22. publicvoidsetCode(String code) {
23. this.code = code;
24. }
25. public String getMsg() {
26. return msg;
27. }
28. publicvoidsetMsg(String msg) {
29. this.msg = msg;
30. }
31. @Override
32. public String toString() {
33. return"RspBaseVO [code=" + code + ", msg=" + msg + "]";
34. }
37. }

controller

1. /***
2. * .json(?type=json) -- 返回JSON
3.     * .excel(?type=excel) -- 返回Excel
4.     * .xml(?type=xml) -- 返回XML
5. *  为空-- 返回JSP
6. */
7. @RequestMapping(value="/multiview/{code}/{msg}", method=RequestMethod.GET)
8. public String multiViewTest(@PathVariable String code,@PathVariable String msg, Model model) {
10.        RspBaseVOrspBaseVO=newRspBaseVO();
11.        rspBaseVO.setCode(code);
12.        rspBaseVO.setMsg(msg);
13.        model.addAttribute("RspBaseVO",rspBaseVO);
14. return"/com/test/codeTest";
15. }

jsp页面

1. <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
2. <html>
3. <head>
4.    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
5.    <title>多视图混合输出-状态码</title>
6. </head>
7. <body>
8. code : ${RspBaseVO.code} <br/>
9. msg : ${RspBaseVO.msg}
10. </body>
11. </html>