{"action":"closed","issue":{"url":"https://api.github.com/repos/ecomfe/zrender/issues/124","labels_url":"https://api.github.com/repos/ecomfe/zrender/issues/124/labels{/name}","comments_url":"https://api.github.com/repos/ecomfe/zrender/issues/124/comments","events_url":"https://api.github.com/repos/ecomfe/zrender/issues/124/events","html_url":"https://github.com/ecomfe/zrender/issues/124","id":63184272,"number":124,"title":"有没有办法动态的修改一个shape","user":{"login":"ieiayaobb","id":1452329,"avatar_url":"https://avatars.githubusercontent.com/u/1452329?v=3","gravatar_id":"","url":"https://api.github.com/users/ieiayaobb","html_url":"https://github.com/ieiayaobb","followers_url":"https://api.github.com/users/ieiayaobb/followers","following_url":"https://api.github.com/users/ieiayaobb/following{/other_user}","gists_url":"https://api.github.com/users/ieiayaobb/gists{/gist_id}","starred_url":"https://api.github.com/users/ieiayaobb/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ieiayaobb/subscriptions","organizations_url":"https://api.github.com/users/ieiayaobb/orgs","repos_url":"https://api.github.com/users/ieiayaobb/repos","events_url":"https://api.github.com/users/ieiayaobb/events{/privacy}","received_events_url":"https://api.github.com/users/ieiayaobb/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-20T08:06:39Z","updated_at":"2015-03-24T02:26:17Z","closed_at":"2015-03-24T02:26:17Z","body":"我想修改一个shape的style，但是直接设置并未生效，然后我看到了buildPath方法，但是它需要一个ctx参数，我不知道这个参数从哪里获取。我是想修改一个Line对象的起始和终点坐标值"}}