vue.runtime.esm.js:619 [Vue warn

问题：

vue.runtime.esm.js:619 [Vue warn]: Error in v-on handler: "TypeError: Cannot read property 'post' of undefined"

found in

---> <Signup> at src/views/signup.vue
<App> at src/App.vue
<Root>

解决方案;

在router.js中添以下代码即可

import vueRsource from 'vue-resource'
Vue.use(vueRsource);