法律上外遇的证据怎么样才算有效？

nimenjuedehunyinshishenmeweihudeni? waiyu shizhengquede，shibeitaijudeshiqingma?jiarubushi，weishenmeneimeduorenyouwaiyuni?nandaofalvlaiweihuwaiyuma?falvshangduiwaiyudedingyishishenmeni?falvshangwaiyudezhengjuyaozenmeshouquni?genhuazhenxiaobianyiqitantaoshifoufalvlaiweihuwaiyu。

一、法律上对外遇的定义

waiyudeqingkuangneimepinfan，shifalvlaiweihuwaiyuma?falvshangduiwaiyudedingyishishenme?zhongguoxingfaweishenmebubachuguiruxingni?

1、lilunshanglaishuo，chuguiruxingzaiwoguobucunzaima?yinggaishuoshibuzhunquede。zaizhongguojingneichuguiruxingzhishaocunzailianggeteli。

yigetelishizaiwoguozhongguotaiwandiqu《xingfa》di 239 tiao：

youpeioueryurentongjianzhe，chuyinianyixiayouqituxing。qixiangjianzheyitong。

lingyigetelishidalu《xingfa》di 259 tiao：

mingzhishixianyijunrendepeioueryuzhitongjuhuojiehunde，chuernianyixiayouqituxinghuozhejuyi。

前者是民国旧法孑存，后者是为了稳定军心，都算是特例，应该说就针对大陆一般人的出轨入刑确实是不存在的。 >> chuguiwaiyu!hunyinweiji!ruhekuaisuzhengjiuhunyin?

2、xingfajuyouqianyixing。

yidingyaolijieyidian，falvyongyuanshizhenduiyileirenhuozheyileixianxiangde，yongyuanbukenengshizhenduimouxienitebieyanederen。

youyinweizhenchadekeguanquexiancunzai，yongyuanbukenengfanyinganjianzhenshi，erzhinengfanyingzhengjukeguan。suoyizailiangzhediejiadezhuangtaixia，yinggaishuobiranhuisunhaidaowuguhuoxingweijiaoqingweirendeliyi。

genjubiliyuanze，nibunengyonggaopaodawenzi，guodudexingfashiyongjiangshiguodude、wufachengshoudedaijia，suoyixingfabiranyaoxianzhizishendefahui。

二、法律上外遇的证据要怎么取才能证明有效

zhengmingwaiyu、hunwaiqingzhengjubijiaonanyiqude，erqiedandudezhengjuyehennanzhengmingyifangyouhunwaiqingcunzai，suoyiyingdangjinliangduodizhunbeizhengju，xingchengwanzhengdezhengjuliantiao，yibianyufaguanzonghepanduan：

1、zhaopian：xianshipeiouyudisanzheqinmiguanxidegezhongzhaopian;

2、luyin：nenggouzhengmingpeiouyudisanzheyouhunwaiqingdeluyin，ruyupeioutanhuazhongpeiouchengrenyudisanzhedehunwaiqingguanxideng;

3、luxiang：xianshipeiouyudisanzhehunwaiqingguanxidegezhongluxiang;

4、shoujiduanxin：peiouyudisanzhezhijiandehunwaiqingduanxin，youshihoupeiouyuziji、disanzheyuzijihaikenengtongguoduanxinlianxi，tandaohunwaiqingdewenti，zheizhongduanxindoukebaoliuxialaizuoweizhengju。danyouyuduanxindetedian，yishibaocunbijiaokunnan，ershihennanzhijiezhengmingduanxinfachujijieshouzhedaodishishei，suoyixuyaocaiquyixietebiedeshouduanyuyibaoliu，bingqiekenenghaixuyaoyixiefuzhudezhengjucainengzhengminghunwaiqingdeshishi。danwulunruhe，zheixieduanxinkeyizuoweihunwaiqingdezuozheng，bangzhuzhengmingzhexingchengwanzhengdezhengjuliantiao。biruduanxinbaoliuzaijieshouzhedeshoujizhong，yizhiweibeishanchu，chucunzaishoujichucunkongjianhuochucunkazhong，huojiangshoujiduanxinguding，jinggongzhengjiguangongzhengdeng，yibeijianglaizuoweizhengjushiyong;