cn.hutool.core.util.CharUtil Java Examples

@Override
public boolean isValid(Object value, ConstraintValidatorContext context) {
	String validValue = null;
	if ((CharUtil.isChar(value) && !CharUtil.isBlankChar((char) value))
			|| (value instanceof String && StrUtil.isNotBlank((String) value))) {
		validValue = StrUtil.toString(value);
	}
	
	if (StringUtils.isNotBlank(validValue)) {
		return Validator.isChinese(validValue);
	}
	
	if (notNull) {
		return false;
	}
	
	return true;
}
 

/**
 * 字符串尾部值自动递增
 * @param str 尾部值是 {@linkplain Integer} 类型
 * @return 自动递增后的值
 * @throws ParamException 如：("999", "str999")
 */
public static String autoIncrement(String str) {
	int maxIndex = str.length() - 1;
	Integer autoIncrementValue = Integer.parseInt(CharUtil.toString(str.charAt(maxIndex))) + 1;
	if (autoIncrementValue == 10) {
		int cycleIndex = 0;
		for (int i = maxIndex - 1; i >= 0; i--) {
			Integer autoIncrementValueI = Integer.parseInt(CharUtil.toString(str.charAt(i))) + 1;
			cycleIndex++;
			if (autoIncrementValueI != 10) {
				String pad = StrUtil.padPre("0", cycleIndex, '0');
				String replaceValue = autoIncrementValueI.toString() + pad;
				return StringUtils.replace(str, replaceValue, i, i + 1 + replaceValue.length());
			}
		}
		
		throw new ParamException("无法自动递增，此参数已是最大值：" + str);
	}
	
	return str.substring(0, maxIndex) + autoIncrementValue;
}
 

/**
 * 字符串尾部值自动递减
 * @param str 尾部值是 {@linkplain Integer} 类型
 * @return 自动递减后的值
 */
public static String autoDecr(String str) {
	int maxIndex = str.length() - 1;
	Integer autoDecrValue = Integer.parseInt(CharUtil.toString(str.charAt(maxIndex))) - 1;
	if (autoDecrValue == -1) {
		int cycleIndex = 0;
		for (int i = maxIndex - 1; i >= 0; i--) {
			Integer autoDecrValueI = Integer.parseInt(CharUtil.toString(str.charAt(i))) - 1;
			cycleIndex++;
			if (autoDecrValueI != -1) {
				String pad = StrUtil.padPre("9", cycleIndex, '9');
				String replaceValue = autoDecrValueI.toString() + pad;
				return StringUtils.replace(str, replaceValue, i, i + 1 + replaceValue.length());
			}
		}
		
		throw new ParamException("无法自动递减，此参数已是最小值：" + str);
	}
	
	return str.substring(0, maxIndex) + autoDecrValue;
}
 

/**
 * 获取数据模型
 *
 * @param scheme
 * @return
 */
public static Map<String, Object> getDataModel(SchemeDto scheme) {
	Map<String, Object> model = Maps.newHashMap();
	String applicationName = SpringContextHolder.getApplicationContext().getBeansWithAnnotation(SpringBootApplication.class).keySet().iterator().next();
	model.put("applicationName", SpringContextHolder.getApplicationContext().getBean(applicationName).getClass().getPackage().getName() + StringUtil.DOT + StringUtil.upperFirst(applicationName));
	model.put("packageName", StringUtil.lowerCase(scheme.getPackageName()));
	model.put("lastPackageName", StringUtil.subAfter((String) model.get("packageName"), StringUtil.DOT, true));
	model.put("moduleName", StringUtil.lowerCase(scheme.getModuleName()));
	model.put("subModuleName", StringUtil.lowerCase(StringUtil.isEmpty(scheme.getSubModuleName()) ? "" : scheme.getSubModuleName()));
	model.put("className", StringUtil.lowerFirst(scheme.getTableDto().getClassName()));
	model.put("classNameUrl", StringUtil.toRevertCamelCase(StringUtil.toStrString(model.get("className")), CharUtil.DASHED));
	model.put("ClassName", StringUtil.upperFirst(scheme.getTableDto().getClassName()));

	model.put("functionName", scheme.getFunctionName());
	model.put("functionNameSimple", scheme.getFunctionNameSimple());
	model.put("functionAuthor", StringUtil.isNotBlank(scheme.getFunctionAuthor()) ? scheme.getFunctionAuthor() : "");
	model.put("functionVersion", DateUtil.now());
	model.put("urlPrefix", model.get("moduleName") + (StringUtil.isNotBlank(scheme.getSubModuleName()) ? StringUtil.SLASH +
		StringUtil.lowerCase(scheme.getSubModuleName()) : "") + StringUtil.SLASH + model.get("classNameUrl")
	);
	model.put("viewPrefix", model.get("urlPrefix"));
	model.put("permissionPrefix", model.get("moduleName") + (StringUtil.isNotBlank(scheme.getSubModuleName()) ? "_" + StringUtil.lowerCase(scheme.getSubModuleName()) : "") + "_" + model.get("className"));
	model.put("table", scheme.getTableDto());
	model.put("scheme", scheme);
	return model;
}
 

/**
 * 去除字段包装
 * 
 * @param field 字段
 * @return 去除包装后的字段
 */
public String unwrap(String field) {
	if (StringUtils.isEmpty(field)) {
		return field;
	}
	
	return StringUtils.deleteFirstLastEqualString(field, CharUtil.toString(getPreWrapQuote()),
			CharUtil.toString(getSufWrapQuote()));
}
 

private void startRead() throws IOException {
    if (ExtConfigBean.getInstance().getLogInitReadLine() == 0) {
        // 不初始读取
        return;
    }
    long len = randomFile.length();
    long start = randomFile.getFilePointer();
    long nextEnd = start + len - 1;
    randomFile.seek(nextEnd);
    int c;
    while (nextEnd > start) {
        // 满
        if (limitQueue.full()) {
            break;
        }
        c = randomFile.read();
        if (c == CharUtil.LF || c == CharUtil.CR) {
            this.readLine();
            nextEnd--;
        }
        nextEnd--;
        randomFile.seek(nextEnd);
        if (nextEnd == 0) {
            // 当文件指针退至文件开始处，输出第一行
            this.readLine();
            break;
        }
    }
    // 移动到尾部
    randomFile.seek(len);
}
 

@Log(value = "生成方案编辑")
@PostMapping("/gen-menu")
@PreAuthorize("@pms.hasPermission('gen_scheme_menu')")
public Result genMenu(@Valid @RequestBody SchemeGenDto schemeGenDto) {
	SchemeDto schemeDto = schemeService.getOneDto(schemeGenDto.getId());
	TableDto tableDto = schemeDto.getTableDto();
	if (tableDto == null) {
		tableDto = tableService.getOneDto(schemeDto.getTableId());
	}
	String url = StringUtil.toAppendStr(StringUtil.SLASH, StringUtil.lowerCase(schemeDto.getModuleName()), (StringUtil.isNotBlank(schemeDto.getSubModuleName()) ? StringUtil.SLASH + StringUtil.lowerCase(schemeDto.getSubModuleName()) : ""), StringUtil.SLASH,
		StringUtil.toRevertCamelCase(StringUtil.lowerFirst(tableDto.getClassName()), CharUtil.DASHED), StringUtil.SLASH);
	menuService.saveByGenScheme(new GenSchemeDto(schemeDto.getName(), schemeGenDto.getParentMenuId(), url, tableDto.getClassName()));
	return Result.buildOk("生成", schemeDto.getName(), "菜单成功");
}
 

public static Wrapper<?> fillWrapperOrder(Page<?> page, Wrapper<?> wrapper) {
	if (null == page) {
		return wrapper;
	}
	if (ObjectUtil.isEmpty(page.orders())) {
		return wrapper;
	}
	QueryWrapper queryWrapper = null == wrapper ? new QueryWrapper() : (QueryWrapper) wrapper;
	if (ObjectUtil.isNotEmpty(page.orders())) {
		page.orders().forEach(orderItem -> queryWrapper.orderBy(true, orderItem.isAsc(),
			StringUtil.toRevertCamelCase(orderItem.getColumn(), CharUtil.UNDERLINE)));
		page.setOrders(null);
	}
	return queryWrapper;
}
 

public static <T> QueryWrapper<T> getWrapper(Object query) {
	QueryWrapper<T> entityWrapper = Wrappers.query();
	if (query == null) {
		return entityWrapper;
	}
	Field[] fields = ReflectUtil.getFields(query.getClass());
	try {
		for (Field field : fields) {
			boolean accessible = field.isAccessible();
			field.setAccessible(true);
			Query q = field.getAnnotation(Query.class);
			if (q != null) {
				String propName = q.propName();
				String blurry = q.blurry();
				String attributeName = StringUtil.isEmpty(propName) ? StringUtil.toRevertCamelCase(field.getName(), CharUtil.UNDERLINE) : propName;
				Object val = field.get(query);
				if (cn.hutool.core.util.ObjectUtil.isNull(val) || "".equals(val)) {
					continue;
				}
				// 模糊多字段
				if (cn.hutool.core.util.ObjectUtil.isNotEmpty(blurry)) {
					String[] blurrys = blurry.split(",");
					entityWrapper.and(i -> {
						for (String s : blurrys) {
							i.or().like(s, val.toString());
						}
					});
					continue;
				}
				parseWarpper(entityWrapper, q, attributeName, val);
			}
			field.setAccessible(accessible);
		}
	} catch (Exception e) {
		log.error(e.getMessage(), e);
	}
	return entityWrapper;
}
 

static String combineTextBlocks(List<TextBlock> textBlocks, boolean isEng) {
    textBlocks.sort(Comparator.comparingInt(o -> o.getTopLeft().y));
    List<List<TextBlock>> lineBlocks = new ArrayList<>();
    int lastY = -1;
    List<TextBlock> lineBlock = new ArrayList<>();
    boolean sameLine = true;
    int minX = Integer.MAX_VALUE;
    TextBlock minBlock = null;
    TextBlock maxBlock = null;
    int maxX = -1;
    double maxAngle = -100;
    for (TextBlock textBlock : textBlocks) {
        //System.out.println(textBlock.getAngle()+ "\t" + textBlock.getFontSize());
        if (textBlock.getTopLeft().x < minX) {
            minX = textBlock.getTopLeft().x;
            minBlock = textBlock;
        }
        if (textBlock.getTopRight().x > maxX) {
            maxX = textBlock.getTopRight().x;
            maxBlock = textBlock;
        }
        if (Math.abs(textBlock.getAngle()) > maxAngle){
            maxAngle = Math.abs(textBlock.getAngle());
        }
        if (lastY == -1) {
            lastY = textBlock.getTopLeft().y;
        } else {
            sameLine = textBlock.getTopLeft().y - lastY <= SAME_LINE_LIMIT;
        }
        if (!sameLine) {
            lineBlock.sort(Comparator.comparingInt(o -> o.getTopLeft().x));
            lineBlocks.add(lineBlock);
            lineBlock = new ArrayList<>();
            sameLine = true;
            lastY = textBlock.getTopLeft().y;
        }
        lineBlock.add(textBlock);
    }

    if (maxAngle >= 0.05){
        //todo 文本倾斜校正
    }

    if (lineBlock.size() > 0) {
        lineBlock.sort(Comparator.comparingInt(o -> o.getTopLeft().x));
        lineBlocks.add(lineBlock);
    }
    StringBuilder sb = new StringBuilder();
    TextBlock lastBlock = null;
    for (List<TextBlock> line : lineBlocks) {
        TextBlock firstBlock = line.get(0);
        if (lastBlock != null) {
            String blockTxt = lastBlock.getText().trim();
            String endTxt = blockTxt.substring(blockTxt.length() - 1);
            if (maxX - lastBlock.getTopRight().x >= CHAR_WIDTH * 2 ||
                    !NORMAL_CHAR.matcher(endTxt).find() ||
                    (NORMAL_CHAR.matcher(endTxt).find() &&
                    (firstBlock.getTopLeft().x - minX) > CHAR_WIDTH * 2)){
                sb.append("\n");
                for (int i = 0, ln = (firstBlock.getTopLeft().x - minX) / CHAR_WIDTH; i < ln; i++) {
                    if (i % 2 == 0){
                        sb.append("    ");
                    }
                }
            }
            else{
                if (CharUtil.isLetterOrNumber(endTxt.charAt(0)) && CharUtil.isLetterOrNumber(firstBlock.getText().charAt(0))){
                    sb.append(" ");
                }
            }
        }
        else{
            for (int i = 0, ln = (firstBlock.getTopLeft().x - minX) / CHAR_WIDTH; i < ln; i++) {
                if (i % 2 == 0){
                    sb.append("    ");
                }
            }
        }

        for (int i = 0; i < line.size(); i++) {
            TextBlock text = line.get(i);
            String ocrText = text.getText();
            if (i > 0) {
                for (int a = 0, ln = (text.getTopLeft().x - line.get(i - 1).getTopRight().x) / (CHAR_WIDTH * 2);
                     a < ln; a++) {
                    sb.append("  ");
                }
            }
            sb.append(ocrText);
        }
        lastBlock = line.get(line.size() - 1);
    }
    return sb.toString();
}
 

@Override
public boolean saveByGenScheme(GenSchemeDto schemeDto) {

	String moduleName = schemeDto.getSchemeName(),
		parentMenuId = schemeDto.getParentMenuId(),
		url = schemeDto.getUrl();
	String permission = StringUtil.toCamelCase(StringUtil.lowerFirst(url), CharUtil.DASHED)
		.replace(StringUtil.SLASH, "_").substring(1),
		permissionLike = permission.substring(0, permission.length() - 1);
	List<Menu> currentMenuList = repository.selectList(Wrappers.<Menu>query()
		.lambda().eq(Menu::getName, moduleName).or()
		.likeLeft(Menu::getPermission, permissionLike)
	);
	for (Menu currentMenu : currentMenuList) {
		if (currentMenu != null) {
			List<String> idList = repository.selectList(Wrappers.<Menu>query()
				.lambda()
				.likeLeft(Menu::getPermission, permissionLike)
				.or(i -> i.eq(Menu::getId, currentMenu.getId())
					.or().eq(Menu::getParentId, currentMenu.getId()))
			).stream().map(Menu::getId).collect(Collectors.toList());
			roleMenuRepository
				.delete(Wrappers.<RoleMenu>query()
					.lambda().in(RoleMenu::getMenuId, idList));
			repository.deleteBatchIds(idList);
		}
	}
	Menu parentMenu = repository.selectById(parentMenuId);
	Assert.isTrue(parentMenu != null, StringUtil.toAppendStr("根据模块id[", parentMenuId, "无法查询到模块信息]"));


	Menu module = new Menu();

	module.setName(moduleName);
	module.setParentId(parentMenu.getId());
	module.setType(Menu.TYPE_MENU);
	module.setIcon("icon-right-square");
	module.setPath(StringUtil.toRevertCamelCase(StringUtil.lowerFirst(schemeDto.getClassName()), CharUtil.DASHED));
	module.setComponent(url.substring(1) + "index");
	save(module);

	Menu moduleView = new Menu();
	moduleView.setParent(module);
	moduleView.setName(moduleName + "查看");
	moduleView.setPermission(permission + "view");
	moduleView.setParentId(module.getId());
	moduleView.setType(Menu.TYPE_BUTTON);
	moduleView.setSort(20);
	save(moduleView);
	Menu moduleEdit = new Menu();
	moduleEdit.setParent(module);
	moduleEdit.setName(moduleName + "编辑");
	moduleEdit.setPermission(permission + "edit");
	moduleEdit.setParentId(module.getId());
	moduleEdit.setType(Menu.TYPE_BUTTON);
	moduleEdit.setSort(40);
	save(moduleEdit);
	Menu moduleDelete = new Menu();
	moduleDelete.setParent(module);
	moduleDelete.setName(moduleName + "删除");
	moduleDelete.setPermission(permission + "del");
	moduleDelete.setParentId(module.getId());
	moduleDelete.setType(Menu.TYPE_BUTTON);
	moduleDelete.setSort(80);
	save(moduleDelete);
	return true;
}