我检查了 post 方法附带的输入。但是这个 if 条件代码不起作用。编辑:否则落在他的街区是JavaScript$(".inputonlytext").keypress(function(e) { var key = e.keyCode; if ((key >= 48 && key <= 57) || (key >= 33 && key <= 47) || (key >= 58 && key <= 64) || (key >= 91 && key <= 96) || (key >= 123 && key <= 127)) { e.preventDefault(); } /*if (e.which === 32) return false; */ //var text = $(this).val(); //$(this).val(text.replace(" ", ""));});是输入<input type="text" name="name" class="form-control inputonlytext" maxlength="50" required="required"><input type="text" name="surname" class="form-control inputonlytext" maxlength="50" required="required">是PHP;if($_POST["name"] !== null && preg_match('/^[a-zA-Z ]+$/', $_POST["name"]) && $_POST["surname"] !== null && preg_match('/^[a-zA-Z ]+$/', $_POST["surname"])){ //true for my application logic. (think like a reverse)}else{ //false for my application logic. (think like a reverse)}
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