reactjs怎么实现滚动
1个回答
2016-03-16 · 百度知道合伙人官方认证企业
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scrollState: function(scroll) {
var visibleStart = Math.floor(scroll / this.state.recordHeight);
var visibleEnd = Math.min(visibleStart + this.state.recordsPerBody, this.state.total - 1);
var displayStart = Math.max(0, Math.floor(scroll / this.state.recordHeight) - this.state.recordsPerBody * 1.5);
var displayEnd = Math.min(displayStart + 4 * this.state.recordsPerBody, this.state.total - 1);
this.setState({
visibleStart: visibleStart,
visibleEnd: visibleEnd,
displayStart: displayStart,
displayEnd: displayEnd,
scroll: scroll
});
},
scrollState: function(scroll) {
var visibleStart = Math.floor(scroll / this.state.recordHeight);
var visibleEnd = Math.min(visibleStart + this.state.recordsPerBody, this.state.total - 1);
var displayStart = Math.max(0, Math.floor(scroll / this.state.recordHeight) - this.state.recordsPerBody * 1.5);
var displayEnd = Math.min(displayStart + 4 * this.state.recordsPerBody, this.state.total - 1);
this.setState({
visibleStart: visibleStart,
visibleEnd: visibleEnd,
displayStart: displayStart,
displayEnd: displayEnd,
scroll: scroll
});
},
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