Question

代码：

＆＃13;

public void dbConnection() {
    try {
        Class.forName("com.mysql.jdbc.Driver");
        con = DriverManager.getConnection("jdbc:mysql://localhost:3306/youngrob_database", "youngrob_user", "password");
        st = con.createStatement();
        Logger.getLogger(DbUtil.class.getName()).log(Level.INFO, "Db Connected..........");
    } catch (Exception ex) {
        Logger.getLogger(DbUtil.class.getName()).log(Level.SEVERE, null, ex);
        // st = '';
        // con = '';
        // throw new SQLException("Failed to get DB Connection");

        // if you can not throw checked exception then          
        throw new RuntimeException("Failed to get DB Connection");          
    }
}

＆＃13;

$(document).ready(function(){
    $('#nav-icon').click(function(){
        $(this).toggleClass('open');
    });
});

＆＃13;

.ham-layer {
    height: 50px;
    width: 50px;
    background: #fff;
    margin: 0px;
    top: 0;
    left: 0;
    position: fixed;
    -moz-border-radius: 50px;
    -webkit-border-radius: 50px;
    border-radius: 50px;
    opacity: 0;
}



#nav-icon {
    position: fixed;
    left: 35px;
    top: 0px;
    width: 32px;
    height: 20px;

    margin: 50px auto;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .5s ease-in-out;
    -moz-transition: .5s ease-in-out;
    -o-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
    cursor: pointer;
}

#nav-icon span {
    display: block;
    position: absolute;
    height: 5px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    opacity: 1;
    left: 0;
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    -moz-transition: .25s ease-in-out;
    -o-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
}

#nav-icon span:nth-child(1) {
  top: 0px;
    -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-icon span:nth-child(2) {
  top: 9px;
    -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-icon span:nth-child(3) {
  top: 18px;
    -webkit-transform-origin: left center;
  -moz-transform-origin: left center;
  -o-transform-origin: left center;
  transform-origin: left center;
}

#nav-icon.open span {
    background: #111111;
}

#nav-icon.open span:nth-child(1) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  top: -1px;
  left: 1px;
}

#nav-icon.open span:nth-child(2) {
    width: 0%;
    opacity: 0;
}

#nav-icon.open span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
  top: 22px;
  left: 2px;
}

#nav-icon.open .ham-layer {
    -webkit-transform: scale(100);
    -ms-transform: scale(100);
    transform: scale(100);
    opacity: 1;
}

＆＃13;

我想这样做，以便在点击汉堡包图标时，图层会自动缩放，从而显示菜单。但缩放部分没有发生。我应该怎么做才能发生这种情况？现在汉堡包图标是动画，但圆形div不会扩展。

Answer 1

这是因为你的.ham-layer不在你的＃nav-icon里面。你的最后一个CSS选择器#nav-icon.open .ham-layer意味着.ham-layer位于你的＃nav-icon div中。

如何在单击按钮时缩放div

1 个答案: