fix issues

modules/system/controller/captcha.go

@@ -0,0 +1,44 @@
+package controller
+
+import (
+	"atom/modules/system/dto"
+	"atom/providers/config"
+	"errors"
+
+	"github.com/gin-gonic/gin"
+	"github.com/mojocn/base64Captcha"
+)
+
+type CaptchaController interface {
+	Show(*gin.Context) (dto.SysCaptchaResponse, error)
+}
+
+type captchaControllerImpl struct {
+	conf *config.Config
+}
+
+func NewCaptchaController(conf *config.Config) CaptchaController {
+	return &captchaControllerImpl{conf: conf}
+}
+
+func (c *captchaControllerImpl) Show(ctx *gin.Context) (dto.SysCaptchaResponse, error) {
+	// 判断验证码是否开启
+	var store = base64Captcha.DefaultMemStore
+
+	// 字符,公式,验证码配置
+	// 生成默认数字的driver
+	driver := base64Captcha.NewDriverDigit(c.conf.Captcha.ImgHeight, c.conf.Captcha.ImgWidth, c.conf.Captcha.KeyLong, 0.7, 80)
+	// cp := base64Captcha.NewCaptcha(driver, store.UseWithCtx(c))   // v8下使用redis
+	cp := base64Captcha.NewCaptcha(driver, store)
+	id, b64s, err := cp.Generate()
+	if err != nil {
+		return dto.SysCaptchaResponse{}, errors.New("验证码获取失败")
+	}
+
+	return dto.SysCaptchaResponse{
+		CaptchaId:     id,
+		PicPath:       b64s,
+		CaptchaLength: c.conf.Captcha.KeyLong,
+		OpenCaptcha:   c.conf.Captcha.OpenCaptcha != 0,
+	}, nil
+}