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feat(admin): 尾首概率弹窗增加相同明细数据

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后端新增 tailSameDetail 和 headSameDetail 字段，统计相邻两期
特码尾数/首位相同的具体值及出现次数
前端弹窗新增两个明细表格展示
This commit is contained in:
leon
2026-05-02 15:41:28 +08:00
parent 31cd375ff1
commit 6c1754417c
2 changed files with 60 additions and 4 deletions
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application/admin/model/History.php
+36 -4
View File
@@ -988,7 +988,7 @@ class History extends Model
* 尾首概率：下一期尾数/首位与前一期相同的概率
* 统计相邻两期特码的尾数（num%10）和首位（floor(num/10））变化
* @param int $periods 查询最近多少期
* @return array {tailProb: float, headProb: float, totalTransitions: int, periodCount: int}
* @return array {tailProb: float, headProb: float, tailSameDetail: array, headSameDetail: array, totalTransitions: int, periodCount: int}
*/
public function getTailHeadProbability($periods = 100)
{
@@ -999,7 +999,7 @@ class History extends Model
->select();
if (empty($history) || count($history) < 2) {
return ['tailProb' => 0, 'headProb' => 0, 'totalTransitions' => 0, 'periodCount' => 0];
return ['tailProb' => 0, 'headProb' => 0, 'tailSameDetail' => [], 'headSameDetail' => [], 'totalTransitions' => 0, 'periodCount' => 0];
}
// 按时间升序排列（旧→新）
@@ -1008,6 +1008,8 @@ class History extends Model
$tailSame = 0;
$headSame = 0;
$totalTransitions = 0;
$tailSameDetail = []; // 尾数相同明细: key为尾数, value为次数
$headSameDetail = []; // 首位相同明细: key为首数, value为次数
for ($i = 0; $i < count($history) - 1; $i++) {
$currentNum = (int)$history[$i]['num7'];
@@ -1018,21 +1020,51 @@ class History extends Model
}
$totalTransitions++;
$currentTail = $currentNum % 10;
$nextTail = $nextNum % 10;
$currentHead = intval(floor($currentNum / 10));
$nextHead = intval(floor($nextNum / 10));
// 尾数相同（个位相同）
if (($currentNum % 10) === ($nextNum % 10)) {
if ($currentTail === $nextTail) {
$tailSame++;
$key = $currentTail;
if (!isset($tailSameDetail[$key])) {
$tailSameDetail[$key] = 0;
}
$tailSameDetail[$key]++;
}
// 首位相同（十位相同）
if (intval(floor($currentNum / 10)) === intval(floor($nextNum / 10))) {
if ($currentHead === $nextHead) {
$headSame++;
$key = $currentHead;
if (!isset($headSameDetail[$key])) {
$headSameDetail[$key] = 0;
}
$headSameDetail[$key]++;
}
}
// 排序：尾数按0-9排序，首位按0-4排序
$tailResult = [];
for ($t = 0; $t <= 9; $t++) {
if (isset($tailSameDetail[$t])) {
$tailResult[] = ['tail' => $t, 'count' => $tailSameDetail[$t]];
}
}
$headResult = [];
for ($h = 0; $h <= 4; $h++) {
if (isset($headSameDetail[$h])) {
$headResult[] = ['head' => $h, 'count' => $headSameDetail[$h]];
}
}
return [
'tailProb' => $totalTransitions > 0 ? round($tailSame / $totalTransitions * 100, 2) : 0,
'headProb' => $totalTransitions > 0 ? round($headSame / $totalTransitions * 100, 2) : 0,
'tailSameDetail' => $tailResult,
'headSameDetail' => $headResult,
'totalTransitions' => $totalTransitions,
'periodCount' => count($history)
];
public/assets/js/backend/history.js
+24
View File
@@ -2212,6 +2212,30 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
html += '<tr><td>下一期尾数与前一期尾数相同</td><td style="text-align:center;font-size:18px;font-weight:bold;color:#e65100;">' + d.tailProb + '%</td></tr>';
html += '<tr><td>下一期首位与前一期首位相同</td><td style="text-align:center;font-size:18px;font-weight:bold;color:#e65100;">' + d.headProb + '%</td></tr>';
html += '</table></div>';
// 尾数相同明细
if (d.tailSameDetail && d.tailSameDetail.length > 0) {
html += '<div style="padding:15px;background:#f5f5f5;border-radius:8px;margin-bottom:12px;">';
html += '<div style="font-size:13px;font-weight:bold;color:#333;margin-bottom:8px;"><i class="fa fa-list-ol"></i> 尾数相同明细</div>';
html += '<table class="table table-bordered" style="margin-bottom:0;">';
html += '<tr><th>尾数</th><th>出现次数</th></tr>';
for (var i = 0; i < d.tailSameDetail.length; i++) {
var item = d.tailSameDetail[i];
html += '<tr><td style="text-align:center;">尾数 ' + item.tail + '</td><td style="text-align:center;font-weight:bold;">' + item.count + ' 次</td></tr>';
}
html += '</table></div>';
}
// 首位相同明细
if (d.headSameDetail && d.headSameDetail.length > 0) {
html += '<div style="padding:15px;background:#f5f5f5;border-radius:8px;margin-bottom:12px;">';
html += '<div style="font-size:13px;font-weight:bold;color:#333;margin-bottom:8px;"><i class="fa fa-list-ol"></i> 首位相同明细</div>';
html += '<table class="table table-bordered" style="margin-bottom:0;">';
html += '<tr><th>首位</th><th>出现次数</th></tr>';
for (var i = 0; i < d.headSameDetail.length; i++) {
var item = d.headSameDetail[i];
html += '<tr><td style="text-align:center;">首数 ' + item.head + '</td><td style="text-align:center;font-weight:bold;">' + item.count + ' 次</td></tr>';
}
html += '</table></div>';
}
html += '<div style="font-size:12px;color:#999;">共分析 ' + d.periodCount + ' 期数据，' + d.totalTransitions + ' 次转移</div>';
html += '</div>';
$('#tailheadprob-result').html(html);