{"id":586,"date":"2023-02-18T18:37:58","date_gmt":"2023-02-18T10:37:58","guid":{"rendered":"http:\/\/gjweb.top\/?p=586"},"modified":"2023-05-10T21:51:06","modified_gmt":"2023-05-10T13:51:06","slug":"15-%e8%a1%a8%e5%8d%95%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=586","title":{"rendered":"15. \u8868\u5355\u7ec4\u4ef6"},"content":{"rendered":"\n

\u6587\u672c\u6846\u7ec4\u4ef6 TextFiled<\/h2>\n\n\n\n
\u5c5e\u6027<\/th>\u4f5c\u54c1<\/th>\u7c7b\u578b<\/th><\/tr><\/thead>
maxLines<\/td>\u6539\u6210\u591a\u884c\u6587\u672c,\u6700\u5927\u884c\u6570<\/td>int<\/td><\/tr>
onChanged<\/td>\u6587\u672c\u6846\u53d8\u5316\u65f6\u7684\u76d1\u542c<\/td>fun<\/td><\/tr>
decoration<\/td>\u6837\u5f0f InputDecoration<\/td><\/td><\/tr>
obscureText<\/td>\u5bc6\u7801\u6846<\/td>bool<\/td><\/tr>
controller<\/td>\u7ed3\u5408 textEditingController \u53ef\u4ee5\u914d\u7f6e\u8868\u5355\u9ed8\u8ba4\u663e\u793a\u7684\u5185\u5bb9<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
TextField(
    decoration: InputDecoration(
        hintText: \"\u7528\u6237\u540d\", \/\/ \u63d0\u793a\u8bcd
        border: OutlineInputBorder(), \/\/ \u5e26\u8fb9\u6846
    )
)<\/code><\/pre>\n\n\n\n
\u8bbe\u7f6e\u521d\u59cb\u5316\u503c<\/h3>\n\n\n\n
late TextEditingController _xxx;
String username = \"zhangsan\";
String password = \"\";
void initState(){
    super.initState();
    _xxx = TextEditingController.fromValue(TextEditingValue(
        text: username,
        selection: TextSelection.fromPosition(TextPosition(
            offset: username.length;
        ))
    ))
}
\u4f7f\u7528
    
TextField(
    controller: _xxx,
    decoration: const InputDecoration(
        hintText: \"\u7528\u6237\u540d\", 
        border: OutlineInputBorder()),
        onChanged: (value) => setState(() {
            username = value;
        }
    ),
)<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5355\u9009\u6309\u94ae\u7ec4<\/h2>\n\n\n\n
Radio(
    value:1,
    onchanged:(){},
    groupValue:1
),
Radio(
    value:2,
    onchanged:(){},
    groupValue:1
),
\u200b<\/code><\/pre>\n\n\n\n
RadioListTile \u5355\u9009\u6309\u94ae\u7ec4<\/h3>\n\n\n\n
RadioListTile(
    title: Text(\"\u7537\"),
    value: 1,
    groupValue: 1,
    onChanged: (){}
),
RadioListTile(
    title: Text(\"\u5973\"),
    value: 2,
    groupValue: 1,
    onChanged: (){}
),<\/code><\/pre>\n\n\n\n
\n\n\n\n
checkBox \u591a\u9009\u6309\u94ae<\/h2>\n\n\n\n
Checkbox \u7528\u6cd5\u540c Radio<\/pre>\n\n\n\n
checkBoxListTile \u591a\u9009\u6309\u94ae\u7ec4<\/h3>\n\n\n\n
\u7528\u6cd5\u540c RadioListTile<\/pre>\n\n\n\n
\n\n\n\n
Switch \u5f00\u5173<\/h2>\n\n\n\n
bool flag = true;
Switch(
    value:flag,
    onChange(val){
        setState((){
            flag = value
        })
    }
)<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u8fdb\u5ea6\u6761<\/h2>\n\n\n\n
\u5706\u5f62\u52a0\u8f7d<\/h3>\n\n\n\n
CircularProgressIndicator(
    valueColor: AlwaysStoppedAnimation(Colors.red),
    backgroundColor: Colors.white
)<\/code><\/pre>\n\n\n\n
IOS\u5706\u5f62\u52a0\u8f7d<\/h4>\n\n\n\n
import \"packge:flutter\/cupertino.dart\"
CupertinoActivityIndicator(radius:24)<\/code><\/pre>\n\n\n\n
\u7ebf\u6027\u8fdb\u5ea6<\/h3>\n\n\n\n
LinearProgressIndicator(
\tvalue: 0.1,
\tvalueColor: AlwaysStoppedAnimation(Colors.blue),
\tbackgroundColor: Colors.grey,
)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6587\u672c\u6846\u7ec4\u4ef6 TextFiled \u5c5e\u6027 \u4f5c\u54c1 \u7c7b\u578b maxLines \u6539\u6210\u591a\u884c\u6587\u672c,\u6700\u5927\u884c\u6570 int onCha […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-586","post","type-post","status-publish","format-standard","hentry","category-flutter"],"_links":{"self":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=586"}],"version-history":[{"count":2,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/586\/revisions"}],"predecessor-version":[{"id":588,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/586\/revisions\/588"}],"wp:attachment":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}