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修改HashMap初始化容量，减少不必要的扩容，提高性能 #760

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merged 2 commits into from
Jul 25, 2022
Merged

修改HashMap初始化容量，减少不必要的扩容，提高性能 #760

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9e773f8
获取验证码逻辑，无需加锁，不涉及线程安全问题，提高效率
kdjj2006 Jul 11, 2022
7d68d58
自定义生成策略时，Map容量设置不准确，会导致无必要的扩容
kdjj2006 Jul 25, 2022
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2 changes: 1 addition & 1 deletion eladmin-common/src/main/java/me/zhengjie/config/RedisConfig.java
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,7 @@ public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisC
@Override
public KeyGenerator keyGenerator() {
return (target, method, params) -> {
Map<String,Object> container = new HashMap<>(4);
Map<String,Object> container = new HashMap<>(8);
Class<?> targetClassClass = target.getClass();
// 类地址
container.put("class",targetClassClass.toGenericString());
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52 changes: 25 additions & 27 deletions eladmin-system/src/main/java/me/zhengjie/modules/security/config/bean/LoginProperties.java
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Original file line number Diff line number Diff line change
Expand Up @@ -68,33 +68,31 @@ public Captcha getCaptcha() {
*/
private Captcha switchCaptcha(LoginCode loginCode) {
Captcha captcha;
synchronized (this) {
switch (loginCode.getCodeType()) {
case ARITHMETIC:
// 算术类型 https://gitee.com/whvse/EasyCaptcha
captcha = new FixedArithmeticCaptcha(loginCode.getWidth(), loginCode.getHeight());
// 几位数运算，默认是两位
captcha.setLen(loginCode.getLength());
break;
case CHINESE:
captcha = new ChineseCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE_GIF:
captcha = new ChineseGifCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case GIF:
captcha = new GifCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case SPEC:
captcha = new SpecCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
default:
throw new BadConfigurationException("验证码配置信息错误！正确配置查看 LoginCodeEnum ");
}
switch (loginCode.getCodeType()) {
case ARITHMETIC:
// 算术类型 https://gitee.com/whvse/EasyCaptcha
captcha = new FixedArithmeticCaptcha(loginCode.getWidth(), loginCode.getHeight());
// 几位数运算，默认是两位
captcha.setLen(loginCode.getLength());
break;
case CHINESE:
captcha = new ChineseCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE_GIF:
captcha = new ChineseGifCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case GIF:
captcha = new GifCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case SPEC:
captcha = new SpecCaptcha(loginCode.getWidth(), loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
default:
throw new BadConfigurationException("验证码配置信息错误！正确配置查看 LoginCodeEnum ");
}
if(StringUtils.isNotBlank(loginCode.getFontName())){
captcha.setFont(new Font(loginCode.getFontName(), Font.PLAIN, loginCode.getFontSize()));
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