1.add base64 image check code

luoo_user/src/main/java/com/luoo/user/controller/LoginController.java

@@ -1,7 +1,9 @@
 package com.luoo.user.controller;
 
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.Base64;
 import java.util.Date;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
@@ -165,6 +167,28 @@ public class LoginController extends BaseController {
 		redisTemplate.opsForValue().set(redisKey, code, 10, TimeUnit.MINUTES);
 		vCode.write(response.getOutputStream());
 	}
+	/**
+	 * 4.1获取图行验证码Base64
+	 * @return 
+	 */
+	@ApiOperation(value = "4.1获取图行验证码Base64", notes = "4.三次短信验证失败后，获取图形验证码Base64，有效期10分钟")
+	@ApiImplicitParams({ @ApiImplicitParam(name = "deviceId", value = "设备id", required = true) })
+	@GetMapping("/imageCheckCodeBase64/{deviceId}")
+	@GlobalInterceptor
+	public Result<String> imageCheckCodeBase64(HttpServletResponse response,
+			@VerifyParam(required = true) @PathVariable("deviceId") String deviceId) throws IOException {
+		CreateImageCode vCode = new CreateImageCode(130, 38, 5, 10);
+		response.setHeader("Pragma", "no-cache");
+		response.setHeader("Cache-Control", "no-cache");
+		response.setDateHeader("Expires", 0);
+		response.setContentType("image/jpeg");
+		String code = vCode.getCode();
+		String redisKey = Constants.REDIS_KEY_IMAGE_CHECK_CODE + deviceId;
+		redisTemplate.opsForValue().set(redisKey, code, 10, TimeUnit.MINUTES);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        vCode.write(bos);
+        return Result.success(Base64.getEncoder().encodeToString(bos.toByteArray()));
+	}
 
 	/**
 	 * 获取支持的手机号国家码