code
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保留3.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>搜索排除关键词</title>
</head>
<body>
    <input type="text" id="search" placeholder="回车默认百度搜索~" size="30" style="height: 35px">
    <input type="text" id="exclude" placeholder="排除关键词" size="30" style="height: 35px">
    <button class="search-wz" type="submit" onclick="searchwuzhui()">无追</button>
    <button class="search-bd" type="submit" onclick="searchbaidu()">百度</button>
	<button class="search-bd" type="submit" onclick="searchjingque()">百度精确搜索</button>

    <script>
        function searchwuzhui() {
            var searchValue = document.getElementById('search').value;
            var excludeValue = document.getElementById('exclude').value;
            var url = 'https://www.wuzhuiso.com/s?q=' + searchValue + ' -(' + excludeValue + ')';
			/* var url = 'https://www.wuzhuiso.com/s?q=' + searchValue + ' -(' + excludeValue + ')' + '&src=srp&fr=none&a=www'; */
            window.open(url);
        }

        function searchbaidu() {
            var searchValue = document.getElementById('search').value;
            var excludeValue = document.getElementById('exclude').value;
            var url = 'https://www.baidu.com/s?wd=' + searchValue + ' -(' + excludeValue + ')';
            window.open(url);
        }

		function searchjingque() {
		    var searchValue = document.getElementById('search').value;
		    var excludeValue = document.getElementById('exclude').value;
		    var url = 'https://www.baidu.com/s?wd='  + '"' + searchValue + '"';
		    window.open(url);
		}
    </script>
</body>
</html>