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31 lines
824 B
31 lines
824 B
package schedule
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import (
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"sort"
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)
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/** 用于定义各类排序 **/
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//通用结构体排序，必须重写数组Len() Swap() Less()函数
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type body_wrapper struct {
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Bodys [] interface{}
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by func(p,q*interface{}) bool //内部Less()函数会用到
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}
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type SortBodyBy func(p, q* interface{}) bool //定义一个函数类型
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//数组长度Len()
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func (acw body_wrapper) Len() int {
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return len(acw.Bodys)
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}
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//元素交换
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func (acw body_wrapper) Swap(i,j int){
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acw.Bodys[i],acw.Bodys[j] = acw.Bodys[j],acw.Bodys[i]
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}
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//比较函数，使用外部传入的by比较函数
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func (acw body_wrapper) Less(i,j int) bool {
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return acw.by(&acw.Bodys[i],&acw.Bodys[j])
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}
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//自定义排序字段，参考SortBodyByCreateTime中的传入函数
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func SortBody(bodys [] interface{}, by SortBodyBy){
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sort.Sort(body_wrapper{bodys,by})
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}
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