Spring Boot整合富文本

package com.example;

import com.baidu.ueditor.ActionEnter;

import org.json.JSONException;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;

/**与富文本界面交互
 * Created by ldb on 2017/4/9.
 */
@Controller
public class UEditorController {


	/**
	 * 在页面加载完成后读取本地文件内容进行显示
	 * @param model
	 * @return
	 */
    @RequestMapping("/")
    private String showPage(Model model){
    	File f = new File("c:/userNote.txt");
        // 创建文件字符流
        // 缓存流必须建立在一个存在的流的基础上
    	StringBuilder sb = new StringBuilder();
        try (
        		FileReader fr = new FileReader(f); 
        		BufferedReader br = new BufferedReader(fr);
        	) 
        {
            while (true) {
                // 一次读一行
                String line = br.readLine();
                if (null == line)
                    break;
                sb.append(line);
            }
            model.addAttribute("context", sb.toString());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return "index";
    }

    /**
    *读取Ueditor配置类
    */
    @RequestMapping(value="/config")
    public void config(HttpServletRequest request, HttpServletResponse response) throws JSONException {
        response.setContentType("application/json");
        String rootPath = request.getSession().getServletContext().getRealPath("/");
        try {
            String exec = new ActionEnter(request, rootPath).exec();
            PrintWriter writer = response.getWriter();
            writer.write(exec);
            writer.flush();
            writer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

private String getConfigPath () {
		//源码：return this.parentPath + File.separator + ConfigManager.configFileName;
		try {
			//获取classpath下的config.json路径
            //此处需要先转为URI再getPath()，否则如果你的项目路径带空格或者带中文则无法读取到文件
			return this.getClass().getClassLoader().getResource("config.json").toURI().getPath();
		} catch (URISyntaxException e) {
			return null;
		}
	}

package com.baidu.ueditor.upload;

import com.baidu.ueditor.PathFormat;
import com.baidu.ueditor.define.AppInfo;
import com.baidu.ueditor.define.BaseState;
import com.baidu.ueditor.define.FileType;
import com.baidu.ueditor.define.State;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;

import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

public class BinaryUploader {

	public static final State save(HttpServletRequest request,
			Map<String, Object> conf) {
		if (!ServletFileUpload.isMultipartContent(request)) {
			return new BaseState(false, AppInfo.NOT_MULTIPART_CONTENT);
		}
		try {
			//此时采用SpringMVC框架的解析器multipartResolver
			MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
			MultipartFile multipartFile = multipartRequest.getFile(conf.get("fieldName").toString());
			if(multipartFile==null){
				return new BaseState(false, AppInfo.NOTFOUND_UPLOAD_DATA);
			}

			String savePath = (String) conf.get("savePath");
			//String originFileName = fileStream.getName();
			String originFileName = multipartFile.getOriginalFilename();
			String suffix = FileType.getSuffixByFilename(originFileName);

			originFileName = originFileName.substring(0,
					originFileName.length() - suffix.length());
			savePath = savePath + suffix;

			long maxSize = ((Long) conf.get("maxSize")).longValue();

			if (!validType(suffix, (String[]) conf.get("allowFiles"))) {
				return new BaseState(false, AppInfo.NOT_ALLOW_FILE_TYPE);
			}

			savePath = PathFormat.parse(savePath, originFileName);

			//String physicalPath = (String) conf.get("rootPath") + savePath;
			String basePath=(String) conf.get("basePath");
			String physicalPath = basePath + savePath;

			//InputStream is = fileStream.openStream();
			InputStream is = multipartFile.getInputStream();
			State storageState = StorageManager.saveFileByInputStream(is,
					physicalPath, maxSize);
			is.close();

			if (storageState.isSuccess()) {
				storageState.putInfo("url", PathFormat.format(savePath));
				storageState.putInfo("type", suffix);
				storageState.putInfo("original", originFileName + suffix);
			}

			return storageState;
		// } catch (FileUploadException e) {
		// 	return new BaseState(false, AppInfo.PARSE_REQUEST_ERROR);
		} catch (IOException e) {
		}
		return new BaseState(false, AppInfo.IO_ERROR);
	}

	private static boolean validType(String type, String[] allowTypes) {
		List<String> list = Arrays.asList(allowTypes);

		return list.contains(type);
	}
}

//将basePath塞进conf
conf.put("basePath",this.jsonConfig.getString( "basePath" ) );
conf.put( "savePath", savePath );
conf.put( "rootPath", this.rootPath );

//String physicalPath = (String) conf.get("rootPath") + savePath;
String basePath=(String) conf.get("basePath");
String physicalPath = basePath + savePath;

private void initEnv () throws FileNotFoundException, IOException {
		
		File file = new File( this.originalPath );
		
		if ( !file.isAbsolute() ) {
			file = new File( file.getAbsolutePath() );
		}
		
		this.parentPath = file.getParent();
		
		//String configContent = this.readFile( this.getConfigPath() );
		String configContent = this.filter(IOUtils.toString(this.getClass().getClassLoader().getResourceAsStream("config.json")));

		try{
			JSONObject jsonConfig = new JSONObject( configContent );
			this.jsonConfig = jsonConfig;
		} catch ( Exception e ) {
			this.jsonConfig = null;
		}
		
	}

/**
*读取Ueditor配置类
*/
@RequestMapping(value="/ueditorconfig")
public void config(HttpServletRequest request, HttpServletResponse response) throws JSONException {}

@Controller
public class SaveContextController {

	@RequestMapping(value = "/saveContextToLocal", method = RequestMethod.POST)
	@ResponseBody
	public void saveContextToLocal(String text) {
		System.out.println("接收到前台文本："+text);
		// 向文件userNote.txt中写入
        File f = new File("c:/userNote.txt");
        try (
                // 创建文件字符流
                FileWriter fw = new FileWriter(f);
                // 缓存流必须建立在一个存在的流的基础上               
                PrintWriter pw = new PrintWriter(fw);               
        ) {
            pw.println(text);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
	}

}

/**
	 * 在页面加载完成后读取本地文件内容进行显示
	 * @param model
	 * @return
	 */
    @RequestMapping("/")
    private String showPage(Model model){
    	File f = new File("c:/userNote.txt");
    	if(f.exists()) {
    		// 创建文件字符流
            // 缓存流必须建立在一个存在的流的基础上
        	StringBuilder sb = new StringBuilder();
            try (
            		FileReader fr = new FileReader(f); 
            		BufferedReader br = new BufferedReader(fr);
            	) 
            {
                while (true) {
                    // 一次读一行
                    String line = br.readLine();
                    if (null == line)
                        break;
                    sb.append(line);
                }
                model.addAttribute("context", sb.toString());
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
    	}
        return "index";
    }

@GetMapping("/message")
public String getMessage(Model model){
    model.addAttribute("message","This is your message");
    return "index";
}