考前说明,文字500字，图片总大小150kb

examcloud-core-examwork-service/src/main/java/cn/com/qmth/examcloud/core/examwork/service/impl/ExamServiceImpl.java

@@ -10,6 +10,11 @@ import java.util.Map.Entry;
 
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.safety.Whitelist;
+import org.jsoup.select.Elements;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
@@ -302,18 +307,41 @@ public class ExamServiceImpl implements ExamService {
 		}
 
 		String beforeExamRemark = properties.get("BEFORE_EXAM_REMARK");
-		if (null != beforeExamRemark && beforeExamRemark.length() > 250000) {
-			throw new StatusException("001002", "考前说明内容过大");
+        
+        
+		if (null != beforeExamRemark) {
+			String simpleText = Jsoup.clean(beforeExamRemark, Whitelist.simpleText());
+	        if (simpleText.length() > 800) {
+	            throw new StatusException("001002", "考前说明内容不得超过800个字符");
+	        }
+	        long imgsize=getImgSizeByBase64String(beforeExamRemark);
+	        if(imgsize>150*1024) {
+	        	throw new StatusException("001002", "考前说明图片总大小不得超过150KB");
+	        }
 		}
 
 		String afterExamRemark = properties.get("AFTER_EXAM_REMARK");
-		if (null != afterExamRemark && afterExamRemark.length() > 250000) {
-			throw new StatusException("001002", "考后说明内容过大");
+		if (null != afterExamRemark ) {
+			String simpleText = Jsoup.clean(afterExamRemark, Whitelist.simpleText());
+	        if (simpleText.length() > 800) {
+	            throw new StatusException("001002", "考后说明内容不得超过800个字符");
+	        }
+	        long imgsize=getImgSizeByBase64String(afterExamRemark);
+	        if(imgsize>150*1024) {
+	        	throw new StatusException("001002", "考后说明图片总大小不得超过150KB");
+	        }
 		}
 
 		String cheatingRemark = properties.get("CHEATING_REMARK");
-		if (null != cheatingRemark && cheatingRemark.length() > 250000) {
-			throw new StatusException("001002", "作弊说明内容过大");
+		if (null != cheatingRemark) {
+			String simpleText = Jsoup.clean(cheatingRemark, Whitelist.simpleText());
+	        if (simpleText.length() > 800) {
+	            throw new StatusException("001002", "作弊说明内容不得超过800个字符");
+	        }
+	        long imgsize=getImgSizeByBase64String(cheatingRemark);
+	        if(imgsize>150*1024) {
+	        	throw new StatusException("001002", "作弊说明图片总大小不得超过150KB");
+	        }
 		}
 
 		// 校验机构权限
@@ -343,6 +371,30 @@ public class ExamServiceImpl implements ExamService {
 		return map;
 	}
 
+	/**
+	 * @param content 内容
+	 * @return 内容中图片文件总大小
+	 */
+	private long getImgSizeByBase64String(String content) {
+		long size=0;
+		if(StringUtils.isNoneEmpty(content)) {
+			Document doc = Jsoup.parse(content);
+	        Elements imgs=doc.getElementsByTag("img");
+	        if(imgs!=null) {
+	        	for(Element img:imgs) {
+	        		String src=img.attr("src");
+	        		String base64=src.split(",")[1];
+	        		int equalIndex= base64.indexOf("=");
+	        		if(equalIndex>0){
+	        			base64=base64.substring(0, equalIndex);
+	        		}
+	        		long fileSize=base64.length()-(base64.length()/8)*2;
+	        		size=size+fileSize;
+	        	}
+	        }
+		}
+		return size;
+	}
 	/*
 	 * 实现
 	 *