\u4e00\u3001vue\u4f7f\u7528\u7684\u662f\u4ec0\u4e48\u6a21\u5f0f\uff1f\u8bf7\u5177\u4f53\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u79cd\u6a21\u5f0f<\/p>\n
1.1\u6e10\u8fdb\u5f0f\u5f00\u53d1\uff0c\u91c7\u7528mvvm\u7684\u6a21\u5f0f
\n1.2model (\u6a21\u578b\u5c42) axios data vuex(state)<\/p>\n
1.2view (\u89c6\u56fe\u5c42) template < template>< \/template>
\n1.3viewmodel\uff08\u4f20\u9012\u8005\uff09\u662f\u53cc\u5411\u7ed1\u5b9a\u5b9e\u73b0\u7684\u673a\u5236<\/p>\n
1.4\u6e10\u8fdb\u5f0f\uff1a\u5148\u4f7f\u7528Vue\u7684\u6838\u5fc3\u5e93\uff0c\u518d\u6839\u636e\u4f60\u9700\u8981\u7684\u529f\u80fd\u53bb\u589e\u52a0\u52a0\u76f8\u5e94\u7684\u63d2\u4ef6\u3002\uff08\u6ca1\u6709\u591a\u505a\u804c\u8d23\u4e4b\u5916\u7684\u4e8b\u3002\uff09<\/p>\n
\u4e8c\u3001\u6570\u636e\u6e32\u67d3 \u6709\u51e0\u79cd\u65b9\u5f0f \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/p>\n
{{}} == \u7b49\u540c\u4e8ev-text
\nv-html:v-html\u53ef\u4ee5\u6e32\u67d3HTML\u4ee3\u7801
\nv-text \u4e0d\u53ef\u4ee5\u6e32\u67d3HTML\u4ee3\u7801<\/p>\n
\u4e09\u3001MVC\u548cMVVM\u6709\u4ec0\u4e48\u533a\u522b<\/p>\n
M\uff1amodel\uff0c\u6a21\u578b\u5c42\u3002<\/p>\n
V\uff1aview\uff0c\u89c6\u56fe\u5c42\u3002<\/p>\n
C\uff1acontroller\uff0c\u63a7\u5236\u5c42<\/p>\n
M\uff1amodel\uff0c\u6a21\u578b\u5c42\u3002\u3002<\/p>\n
V\uff1aview\uff0c\u89c6\u56fe\u5c42\u3002<\/p>\n
VM\uff1a\u89c6\u56fe\u6a21\u578b\u5c42\uff0c\u7528\u6765\u8fde\u63a5Model\u548cView\uff0c\u662fModel\u548cView\u4e4b\u95f4\u7684\u901a\u4fe1\u6865\u6881\uff0c\u5b9e\u73b0\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\u5173\u952e<\/p>\n
MVVM\u5b9e\u73b0\u4e86\u6570\u636e\u9a71\u52a8\u89c6\u56fe\u548c\u6570\u636e\u7684\u53cc\u5411\u7ed1\u5b9a\u3002<\/p>\n
\u4e09\u3001\u4ec0\u4e48\u662f\u865a\u62dfdom<\/p>\n
\u865a\u62dfdom\u5c31\u662f\u7528js\u751f\u6210\u7684dom\u5bf9\u8c61\u3001\u56e0\u4e3a\u4e0d\u662f\u771f\u5b9e\u7684dom\u3001\u6240\u4ee5\u79f0\u4e3a\u865a\u62dfdom<\/p>\n
\u865a\u62dfdom\u539f\u7406\u6d41\u7a0b
\n\u7528 js\u5bf9\u8c61\u6a21\u62df\u771f\u5b9e DOM \u6811\uff0c\u5bf9\u771f\u5b9e DOM \u8fdb\u884c\u62bd\u8c61\uff1b
\ndiff \u7b97\u6cd5 \u2014\u5c06\u524d\u540e\u4e24\u4e2a\u6a21\u5757\u8fdb\u884c\u5dee\u5f02\u5bf9\u6bd4\uff1b
\npach \u7b97\u6cd5 \u2014 \u5c06\u4e24\u4e2a\u865a\u62df DOM \u5bf9\u8c61\u7684\u5dee\u5f02\u5e94\u7528\u5230\u771f\u6b63\u7684 DOM \u6811\u3002<\/p>\n
\u865a\u62dfdom\u597d\u5904
\n\u5177\u5907\u8de8\u5e73\u53f0\u7684\u4f18\u52bf\uff1a\u865a\u62dfdom\u662f\u4ee5 js\u5bf9\u8c61\u4e3a\u57fa\u7840\u800c\u4e0d\u4f9d\u8d56\u771f\u5b9e\u5e73\u53f0\u73af\u5883\uff0c\u6240\u4ee5\u4f7f\u5b83\u5177\u6709\u4e86\u8de8\u5e73\u53f0\u7684\u80fd\u529b
\n\u63d0\u9ad8\u6548\u7387\uff1aDOM\u64cd\u4f5c\u8fd0\u884c\u6162\uff0c\u7528js\u8fd0\u884c\u6548\u7387\u9ad8\u3002\u628aDOM\u64cd\u4f5c\u653e\u5728JS\u5c42\uff0c\u8fd0\u7528patching\u7b97\u6cd5\u6765\u8ba1\u7b97\u51fa\u771f\u6b63\u9700\u8981\u66f4\u65b0\u7684\u8282\u70b9\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11DOM\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6027\u80fd\u3002
\n\u63d0\u5347\u6e32\u67d3\u6027\u80fd\uff1a\u865a\u62dfDOM\u7684\u4f18\u52bf\u4e0d\u5728\u4e8e\u5355\u6b21\u7684\u64cd\u4f5c\uff0c\u800c\u662f\u5728\u5927\u91cf\u3001\u9891\u7e41\u7684\u6570\u636e\u66f4\u65b0\u4e0b\uff0c\u80fd\u591f\u5bf9\u89c6\u56fe\u8fdb\u884c\u5408\u7406\u3001\u9ad8\u6548\u7684\u66f4\u65b0<\/p>\n
\u56db\u3001vue2\u548cvue3\u7684\u533a\u522b<\/p>\n
1.\u751f\u547d\u5468\u671f\u94a9\u5b50\u51fd\u6570\u4e0d\u540c
\nbeforecreated\u5728vue3\u4e2d\u53d8\u6210setup()
\ncreated \u5728vue3\u4e2d\u53d8\u6210setup()
\nbeforeMount\u5728vue3\u4e2d\u53d8\u6210\u4e86onBeforeMount
\nmounted\u5728vue3\u4e2d\u53d8\u6210\u4e86onMounted<\/p>\n
2.\u6570\u636e\u7684\u53cc\u5411\u7ed1\u5b9a\u539f\u7406\u4e0d\u540c
\nvue2\u4e2d\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\u4f7f\u7528\u7684\u662fobject.defineproperty
\nvue3\u4e2d\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\u662f proxy \u901a\u8fc7proxy\u76d1\u542c\u6570\u636e\u7684\u53d8\u5316<\/p>\n
3.\u662f\u5426\u652f\u6301\u788e\u7247
\nvue3\u652f\u6301\u788e\u7247\uff0c\u5c31\u662f\u7ec4\u4ef6\u5185\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u6839\u8282\u70b9<\/p>\n
4.\u6570\u636e\u548c\u65b9\u6cd5\u7684\u5b9a\u4e49
\nVue2\u4f7f\u2f64\u7684\u662f\u9009\u9879\u7c7b\u578bAPI
\nVue3\u4f7f\u2f64\u7684\u662f\u7ec4\u5408\u5f0fAPI<\/p>\n
5.API\u7c7b\u578b\u4e0d\u540c
\nvue2\u4e2d\u5206\u5272\u4e86\u4e0d\u540c\u7684\u5c5e\u6027: data,computed\u5c5e\u6027\uff0cmethods\uff0c\u7b49\u7b49\u3002
\nvue3\u5f53\u5185\u90e8\u6709\u5f02\u6b65\u51fd\u6570\uff0c\u9700\u8981\u4f7f\u7528\u5230await\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\uff0c\u4e0d\u9700\u8981\u5728setup\u524d\u9762\u52a0async<\/p>\n
6.\u7236\u5b50\u4e4b\u95f4\u4f20\u53c2\u4e0d\u540c<\/p>\n
7.main.js\u6587\u4ef6\u4e2d\u90e8\u5206\u8bbe\u7f6e\u4e0d\u4e00\u6837<\/p>\n
\u4e94\u3001vue\u91cc\u9762\u7684\u5bf9this\u8be6\u89e3
\n\u5728Vue\u6240\u6709\u7684\u751f\u547d\u5468\u671f\u94a9\u5b50\u65b9\u6cd5\uff08\u5982created\uff0cmounted\uff0c updated\u4ee5\u53cadestroyed\uff09\u91cc\u4f7f\u7528this\uff0cthis\u6307\u5411\u8c03\u7528\u5b83\u7684Vue\u5b9e\u4f8b \uff0c\u4e5f\u5c31\u662f new Vue() —- \u6bcf\u4e00\u4e2a\u70b9vue\u540e\u7f00\u7684\u6587\u4ef6\u90fd\u662f\u5229\u7528vue\u7684\u6784\u9020\u51fd\u6570\u6a21\u677f\u521b\u5efa\u7684\u5b9e\u4f8b \/ \u65b0\u5bf9\u8c61<\/p>\n
\u516d\u3001call\u3001appl\u3001bind\u7684\u533a\u522b<\/p>\n
call\u53ef\u4ee5\u8c03\u7528\u51fd\u6570\uff0ccall\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6539\u53d8\u540ethis\u6307\u5411\u7684\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4f20\u53c2
\napply\u53ef\u4ee5\u8c03\u7528\u51fd\u6570\uff0capply\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6539\u53d8\u540ethis\u6307\u5411\u7684\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4f20\u53c2\uff0c\u6570\u7ec4\u4f20\u53c2
\nbind\u4e0d\u4f1a\u8c03\u7528\u51fd\u6570\uff0c\u5176\u4ed6\u548ccall\u662f\u4e00\u6837\u7684<\/p>\n
7.$nextTick\u548cmounted\u6709\u4ec0\u4e48\u533a\u522b<\/p>\n
mounted\u5728\u751f\u547d\u5468\u671f\u91cc\u9762\u53ea\u53ef\u4ee5\u6267\u884c\u4e00\u6b21\uff0c\u6240\u6709\u65e0\u6cd5\u83b7\u53d6\u9875\u9762\u66f4\u65b0\u540e\u7684\u5185\u5bb9
\n$nextTick\u662f\u53ef\u4ee5\u591a\u6b21\u6267\u884c\u7684<\/p>\n
8.undefined\u548cnull\u76f8\u7b49\u5417<\/p>\n
==\u76f8\u7b49 ===\u4e0d\u76f8\u7b49<\/p>\n
9.\u600e\u4e48\u7406\u89e3vue\u7684\u5355\u5411\u6570\u636e\u6d41\u3001<\/p>\n
Vue\u7684\u5355\u5411\u6570\u636e\u6d41\u6307\u7684\u662f\uff0c\u6570\u636e\u5728\u7236\u7ec4\u4ef6\u4e2d\u88ab\u5b9a\u4e49\u548c\u66f4\u65b0\uff0c\u7136\u540e\u901a\u8fc7props\u7684\u5f62\u5f0f\u4f20\u9012\u7ed9\u5b50\u7ec4\u4ef6\uff0c\u5b50\u7ec4\u4ef6\u53ef\u4ee5\u8bfb\u53d6\u8fd9\u4e9bprops\uff0c\u4f46\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539\u5b83\u4eec\u3002\u5982\u679c\u5b50\u7ec4\u4ef6\u9700\u8981\u4fee\u6539\u8fd9\u4e9b\u6570\u636e\uff0c\u9700\u8981\u901a\u8fc7$emit\u65b9\u6cd5\u5c06\u4e8b\u4ef6\u53d1\u9001\u7ed9\u7236\u7ec4\u4ef6\uff0c\u7531\u7236\u7ec4\u4ef6\u6765\u66f4\u65b0\u6570\u636e\u3002<\/p>\n
10.vue\u4e2d\u600e\u4e48\u83b7\u53d6\u7ec4\u4ef6\u4e2d\u7684\u5b9e\u4f8b<\/p>\n
1.\u4f7f\u7528ref\u7ed1\u5b9a\u5728\u7ec4\u4ef6\u6807\u7b7e\u4e0a\u9762
\n\u83b7\u53d6\u7684\u8bdd\u5c31\u662fthis.$refs.Helloword
\n2.this.$children \u4e0d\u9700\u8981\u7ed1\u5b9aref\u4e86 \u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u6570\u7ec4 \u9700\u8981\u90a3\u4e2a\u7ec4\u4ef6\u7684\u5b9e\u4f8b\u5c31this.$children[\u4e0b\u6807]<\/p>\n
\u5b50\u7ec4\u4ef6\u83b7\u53d6\u7236\u7ec4\u4ef6\u7684\u5b9e\u4f8b
\nthis.$parent<\/p>\n
11. vue\u540c\u6b65\u66f4\u65b0\u8fd8\u662f\u5f02\u6b65\u66f4\u65b0<\/p>\n
Vue \u662f\u5f02\u6b65\u66f4\u65b0\u7684\uff0c\u5f53\u6570\u636e\u53d1\u751f\u53d8\u5316\u65f6\uff0cvue\u4f1a\u5c06\u66f4\u65b0\u64cd\u4f5c\u653e\u5230\u4e00\u4e2a\u961f\u5217\u4e2d\uff0c\u7136\u540e\u901a\u8fc7\u5f02\u6b65\u7684\u65b9\u5f0f\u53bb\u6267\u884c\u66f4\u65b0\uff0c\u8fd9\u6837\u7684\u597d\u5904\u5c31\u662f\u53ef\u4ee5\u5c06\u591a\u4e2a\u6570\u636e\u53d8\u5316\u5408\u5e76\u6210\u4e00\u4e2a\u66f4\u65b0\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6027\u80fd<\/p>\n
12.vue\u4e2d\u7684\u6570\u7ec4\u6216\u8005\u662f\u6570\u7ec4\u5bf9\u8c61\u53d1\u751f\u6539\u53d8\u89c6\u56fe\u6ca1\u6709\u66f4\u65b0\u662f\u600e\u4e48\u56de\u4e8b<\/p>\n
vue\u4e2d\u5c31\u662f\uff0c\u53ea\u6709data\u7684\u521d\u59cb\u5316\u6570\u636e\u624d\u662f\u54cd\u5e94\u7684\uff0cvue\u4e0d\u80fd\u68c0\u6d4b\u5230\u5bf9\u8c61\u5c5e\u6027\u7684\u6dfb\u52a0\u6216\u5220\u9664\uff0c\u6ca1\u6709\u5728data\u91cc\u9762\u58f0\u660e\u7684\u662f\u4e0d\u54cd\u5e94\u7684<\/p>\n
13.\u7236\u4f20\u5b50\u6570\u636e\u5728creater\u91cc\u9762\u53ef\u4ee5\u8bbf\u95ee\uff0c\u4f46\u662f\u89c6\u56fe\u4e0d\u4f1a\u66f4\u65b0<\/p>\n
\u200b\u200b\u200b\u200b\u200b\u53ef\u4ee5\u662f\u4f7f\u7528watch\u6216\u8005\u5c31\u662fcomputed\uff0c\u5728\u7236\u7ec4\u4ef6\u7ed1\u5b9a\u6570\u636e\uff0c\u54cd\u5e94\u5f0f\u53d8\u91cf\u66f4\u6539\u4e3a\u90a3\u4e2acomputed\u7684\u51fd\u6570\u540d\u5b57\uff0c\u8ba1\u7b97\u5c5e\u6027\u4f1a\u6839\u636e\u4f9d\u8d56\u7684\u6570\u636e\u81ea\u52a8\u66f4\u65b0\uff0c\u4ece\u800c\u4fdd\u8bc1\u5b50\u7ec4\u4ef6\u80fd\u591f\u83b7\u53d6\u5230\u6700\u65b0\u7684\u6570\u636e
\n\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001vue\u4f7f\u7528\u7684\u662f\u4ec0\u4e48\u6a21\u5f0f\uff1f\u8bf7\u5177\u4f53\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u79cd\u6a21\u5f0f 1.1\u6e10\u8fdb\u5f0f\u5f00\u53d1\uff0c\u91c7\u7528mvvm\u7684\u6a21\u5f0f 1.2model (\u6a21\u578b\u5c42) axios data vuex(state) 1.2view (\u89c6\u56fe\u5c42) template < template>< \/template> 1.3viewmodel\uff08\u4f20\u9012\u8005\uff09\u662f\u53cc\u5411\u7ed1\u5b9a\u5b9e\u73b0\u7684\u673a\u5236 1.4\u6e10\u8fdb\u5f0f\uff1a\u5148\u4f7f\u7528Vue\u7684\u6838\u5fc3\u5e93\uff0c\u518d\u6839\u636e\u4f60\u9700\u8981\u7684\u529f\u80fd\u53bb\u589e\u52a0\u52a0\u76f8\u5e94\u7684\u63d2\u4ef6\u3002\uff08\u6ca1\u6709\u591a\u505a\u804c\u8d23\u4e4b\u5916\u7684\u4e8b\u3002\uff09 \u4e8c\u3001\u6570\u636e\u6e32\u67d3 \u6709\u51e0\u79cd\u65b9\u5f0f \u6709\u4ec0\u4e48\u533a\u522b\uff1f {{}} == \u7b49\u540c\u4e8ev-text v-html:v-html\u53ef\u4ee5\u6e32\u67d3HTML\u4ee3\u7801 v-text \u4e0d\u53ef\u4ee5\u6e32\u67d3HTML\u4ee3\u7801 \u4e09\u3001MVC\u548cMVVM\u6709\u4ec0\u4e48\u533a\u522b M\uff1amodel\uff0c\u6a21\u578b\u5c42\u3002 V\uff1aview\uff0c\u89c6\u56fe\u5c42\u3002 C\uff1acontroller\uff0c\u63a7\u5236\u5c42 M\uff1amodel\uff0c\u6a21\u578b\u5c42\u3002\u3002 V\uff1aview\uff0c\u89c6\u56fe\u5c42\u3002 VM\uff1a\u89c6\u56fe\u6a21\u578b\u5c42\uff0c\u7528\u6765\u8fde\u63a5Model\u548cView\uff0c\u662fModel\u548cView\u4e4b\u95f4\u7684\u901a\u4fe1\u6865\u6881\uff0c\u5b9e\u73b0\u6570\u636e\u53cc\u5411\u7ed1\u5b9a\u5173\u952e MVVM\u5b9e\u73b0\u4e86\u6570\u636e\u9a71\u52a8\u89c6\u56fe\u548c\u6570\u636e\u7684\u53cc\u5411\u7ed1\u5b9a\u3002 \u4e09\u3001\u4ec0\u4e48\u662f\u865a\u62dfdom \u865a\u62dfdom\u5c31\u662f\u7528js\u751f\u6210\u7684dom\u5bf9\u8c61\u3001\u56e0\u4e3a\u4e0d\u662f\u771f\u5b9e\u7684dom\u3001\u6240\u4ee5\u79f0\u4e3a\u865a\u62dfdom \u865a\u62dfdom\u539f\u7406\u6d41\u7a0b \u7528 js\u5bf9\u8c61\u6a21\u62df\u771f\u5b9e DOM \u6811\uff0c\u5bf9\u771f\u5b9e DOM \u8fdb\u884c\u62bd\u8c61\uff1b diff \u7b97\u6cd5 \u2014\u5c06\u524d\u540e\u4e24\u4e2a\u6a21\u5757\u8fdb\u884c\u5dee\u5f02\u5bf9\u6bd4\uff1b pach \u7b97\u6cd5 \u2014 \u5c06\u4e24\u4e2a\u865a\u62df DOM \u5bf9\u8c61\u7684\u5dee\u5f02\u5e94\u7528\u5230\u771f\u6b63\u7684 DOM \u6811\u3002 \u865a\u62dfdom\u597d\u5904 \u5177\u5907\u8de8\u5e73\u53f0\u7684\u4f18\u52bf\uff1a\u865a\u62dfdom\u662f\u4ee5 js\u5bf9\u8c61\u4e3a\u57fa\u7840\u800c\u4e0d\u4f9d\u8d56\u771f\u5b9e\u5e73\u53f0\u73af\u5883\uff0c\u6240\u4ee5\u4f7f\u5b83\u5177\u6709\u4e86\u8de8\u5e73\u53f0\u7684\u80fd\u529b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-60","post","type-post","status-publish","format-standard","hentry","category-jc"],"_links":{"self":[{"href":"https:\/\/ishht.com\/index.php?rest_route=\/wp\/v2\/posts\/60","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ishht.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ishht.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ishht.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ishht.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=60"}],"version-history":[{"count":0,"href":"https:\/\/ishht.com\/index.php?rest_route=\/wp\/v2\/posts\/60\/revisions"}],"wp:attachment":[{"href":"https:\/\/ishht.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=60"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ishht.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=60"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ishht.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=60"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}