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<?php
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namespace app\map\controller;
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use think\Controller;
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use think\Db;
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class Bdmap extends Controller
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{
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function index()
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{
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$b = Db::query("select id,mc,coordinate,scale,voltagegrade,note,svgurl from bdz ");
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$data = json_encode($b);
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echo $data;
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}
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}
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