ocr识别-中英文切换下划线转驼峰

2022-02-24 13:49:33 +08:00
parent 82f41e7256
commit 87610c1b66
2 changed files with 52 additions and 1 deletions
@@ -7,6 +7,7 @@ import com.jero.generater.modules.online.cgform.service.impl.OnlCgformFieldServi
 import com.jero.modules.ocr.entity.OcrRecordEO;
 import com.jero.modules.ocr.mapper.OcrRecordEOMapper;
 import com.jero.modules.ocr.service.IOcrRecordEOService;
+import com.jero.modules.ocr.util.LineHumpUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;

@@ -113,7 +114,7 @@ public class OcrRecordEOServiceImpl extends ServiceImpl<OcrRecordEOMapper, OcrRe
 		List<Map<String, Object>> list = new ArrayList<>();
 		for (OnlCgformField onlCgformField : fieldList) {
 			Map<String, Object> map = new HashMap<>();
-			map.put("db_field_name", onlCgformField.getDbFieldName());//字段
+			map.put("db_field_name", LineHumpUtil.lineToHump(onlCgformField.getDbFieldName()));//字段
 			if(CutEnum.CN.getValue().equals(cut)){
 				map.put("db_field_txt", onlCgformField.getDbFieldTxt());//字段中文名
 			}else{
@@ -0,0 +1,50 @@
+package com.jero.modules.ocr.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * @Author: liyawei
+ * @Description:
+ * @Date: Created in 13:38 2022/2/24
+ */
+public class LineHumpUtil {
+    private static Pattern linePattern = Pattern.compile("_(\\w)");
+
+    /** 下划线转驼峰 */
+    public static String lineToHump(String str) {
+        str = str.toLowerCase();
+        Matcher matcher = linePattern.matcher(str);
+        StringBuffer sb = new StringBuffer();
+        while (matcher.find()) {
+            matcher.appendReplacement(sb, matcher.group(1).toUpperCase());
+        }
+        matcher.appendTail(sb);
+        return sb.toString();
+    }
+
+    /** 驼峰转下划线(简单写法，效率低于{@link #humpToLine2(String)}) */
+    public static String humpToLine(String str) {
+        return str.replaceAll("[A-Z]", "_$0").toLowerCase();
+    }
+
+    private static Pattern humpPattern = Pattern.compile("[A-Z]");
+
+    /** 驼峰转下划线,效率比上面高 */
+    public static String humpToLine2(String str) {
+        Matcher matcher = humpPattern.matcher(str);
+        StringBuffer sb = new StringBuffer();
+        while (matcher.find()) {
+            matcher.appendReplacement(sb, "_" + matcher.group(0).toLowerCase());
+        }
+        matcher.appendTail(sb);
+        return sb.toString();
+    }
+
+    public static void main(String[] args) {
+        String lineToHump = lineToHump("f_parent_no_leader");
+        System.out.println(lineToHump);// fParentNoLeader
+        System.out.println(humpToLine(lineToHump));// f_parent_no_leader
+        System.out.println(humpToLine2(lineToHump));// f_parent_no_leader
+    }
+}