iapt-platform
/
mint
tükrözi: https://github.com/iapt-platform/mint.git


			
				
					
						
						
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							<!DOCTYPE html>
<html>
	<head>
		<title>文本比较工具</title>
		<style type="text/css">
			* {
				padding: 0px;
				margin: 0px;
			}
			html,
			body {
				overflow-y: hidden;
			}
			.edit_div {
				border: 1px solid #cccccc;
				overflow: auto;
				position: relative;
			}
			.edit_div textarea {
				resize: none;
				background: none repeat scroll 0 0 transparent;
				border: 0 none;
				width: 100%;
				height: 200px;
				overflow-y: scroll;
				position: absolute;
				left: 0px;
				top: 0px;
				z-index: 2;
				font-size: 18px;
				white-space: pre-wrap;
				word-wrap: break-word;
				word-break: break-all;
			}
			.edit_div pre {
				overflow-y: scroll;
				white-space: pre-wrap;
				word-wrap: break-word;
				word-break: break-all;
				width: 100%;
				height: 200px;
				text-align: left;
				color: #ffffff;
				z-index: 1;
				font-size: 18px;
			}
		</style>
	</head>
	<body>
		<table style="width: 100%">
			<tr>
				<td style="width: 50%">
					<div class="edit_div">
						<pre id="edit_pre_1"></pre>
						<textarea
							id="edit_textarea_1"
							onscroll="test1_scroll()"
							oninput="textchange()"
							onpropertychange="textchange()"
						></textarea>
					</div>
				</td>
				<td style="width: 50%">
					<div class="edit_div">
						<pre id="edit_pre_2"></pre>
						<textarea
							id="edit_textarea_2"
							onscroll="test2_scroll()"
							oninput="textchange()"
							onpropertychange="textchange()"
						></textarea>
					</div>
				</td>
			</tr>
		</table>
		<script type="text/javascript">
			function test1_scroll() {
				document.getElementById("edit_pre_1").scrollTop = document.getElementById("edit_textarea_1").scrollTop;
				document.getElementById("edit_pre_2").scrollTop = document.getElementById("edit_pre_1").scrollTop;
				document.getElementById("edit_textarea_2").scrollTop = document.getElementById(
					"edit_textarea_1"
				).scrollTop;
			}
			function test2_scroll() {
				document.getElementById("edit_pre_2").scrollTop = document.getElementById("edit_textarea_2").scrollTop;
				document.getElementById("edit_pre_1").scrollTop = document.getElementById("edit_pre_2").scrollTop;
				document.getElementById("edit_textarea_1").scrollTop = document.getElementById(
					"edit_textarea_2"
				).scrollTop;
			}
			function textchange() {
				var op = eq({
					value1: document.getElementById("edit_textarea_1").value,
					value2: document.getElementById("edit_textarea_2").value,
				});
				document.getElementById("edit_pre_1").innerHTML = op.value1 + "\r\n";
				document.getElementById("edit_pre_2").innerHTML = op.value2 + "\r\n";
			}
			function eq(op) {
				if (!op) {
					return op;
				}
				if (!op.value1_style) {
					op.value1_style = "background-color:#FEC8C8;";
				}
				if (!op.value2_style) {
					op.value2_style = "background-color:#FEC8C8;";
				}
				if (!op.eq_min) {
					op.eq_min = 3;
				}
				if (!op.eq_index) {
					op.eq_index = 5;
				}
				if (!op.value1 || !op.value2) {
					return op;
				}
				var ps = {
					v1_i: 0,
					v1_new_value: "",
					v2_i: 0,
					v2_new_value: "",
				};
				while (ps.v1_i < op.value1.length && ps.v2_i < op.value2.length) {
					if (op.value1[ps.v1_i] == op.value2[ps.v2_i]) {
						ps.v1_new_value += op.value1[ps.v1_i].replace(/</g, "<").replace(">", ">");
						ps.v2_new_value += op.value2[ps.v2_i].replace(/</g, "<").replace(">", ">");
						ps.v1_i += 1;
						ps.v2_i += 1;
						if (ps.v1_i >= op.value1.length) {
							ps.v2_new_value +=
								"<span style='" +
								op.value2_style +
								"'>" +
								op.value2.substr(ps.v2_i).replace(/</g, "<").replace(">", ">") +
								"</span>";
							break;
						}
						if (ps.v2_i >= op.value2.length) {
							ps.v1_new_value +=
								"<span style='" +
								op.value1_style +
								"'>" +
								op.value1.substr(ps.v1_i).replace(/</g, "<").replace(">", ">") +
								"</span>";
							break;
						}
					} else {
						ps.v1_index = ps.v1_i + 1;
						ps.v1_eq_length = 0;
						ps.v1_eq_max = 0;
						ps.v1_start = ps.v1_i + 1;
						while (ps.v1_index < op.value1.length) {
							if (op.value1[ps.v1_index] == op.value2[ps.v2_i + ps.v1_eq_length]) {
								ps.v1_eq_length += 1;
							} else if (ps.v1_eq_length > 0) {
								if (ps.v1_eq_max < ps.v1_eq_length) {
									ps.v1_eq_max = ps.v1_eq_length;
									ps.v1_start = ps.v1_index - ps.v1_eq_length;
								}
								ps.v1_eq_length = 0;
								break; //只寻找最近的
							}
							ps.v1_index += 1;
						}
						if (ps.v1_eq_max < ps.v1_eq_length) {
							ps.v1_eq_max = ps.v1_eq_length;
							ps.v1_start = ps.v1_index - ps.v1_eq_length;
						}

						ps.v2_index = ps.v2_i + 1;
						ps.v2_eq_length = 0;
						ps.v2_eq_max = 0;
						ps.v2_start = ps.v2_i + 1;
						while (ps.v2_index < op.value2.length) {
							if (op.value2[ps.v2_index] == op.value1[ps.v1_i + ps.v2_eq_length]) {
								ps.v2_eq_length += 1;
							} else if (ps.v2_eq_length > 0) {
								if (ps.v2_eq_max < ps.v2_eq_length) {
									ps.v2_eq_max = ps.v2_eq_length;
									ps.v2_start = ps.v2_index - ps.v2_eq_length;
								}
								ps.v1_eq_length = 0;
								break; //只寻找最近的
							}
							ps.v2_index += 1;
						}
						if (ps.v2_eq_max < ps.v2_eq_length) {
							ps.v2_eq_max = ps.v2_eq_length;
							ps.v2_start = ps.v2_index - ps.v2_eq_length;
						}
						if (ps.v1_eq_max < op.eq_min && ps.v1_start - ps.v1_i > op.eq_index) {
							ps.v1_eq_max = 0;
						}
						if (ps.v2_eq_max < op.eq_min && ps.v2_start - ps.v2_i > op.eq_index) {
							ps.v2_eq_max = 0;
						}
						if (ps.v1_eq_max == 0 && ps.v2_eq_max == 0) {
							ps.v1_new_value +=
								"<span style='" +
								op.value1_style +
								"'>" +
								op.value1[ps.v1_i].replace(/</g, "<").replace(">", ">") +
								"</span>";
							ps.v2_new_value +=
								"<span style='" +
								op.value2_style +
								"'>" +
								op.value2[ps.v2_i].replace(/</g, "<").replace(">", ">") +
								"</span>";
							ps.v1_i += 1;
							ps.v2_i += 1;

							if (ps.v1_i >= op.value1.length) {
								ps.v2_new_value +=
									"<span style='" +
									op.value2_style +
									"'>" +
									op.value2.substr(ps.v2_i).replace(/</g, "<").replace(">", ">") +
									"</span>";
								break;
							}
							if (ps.v2_i >= op.value2.length) {
								ps.v1_new_value +=
									"<span style='" +
									op.value1_style +
									"'>" +
									op.value1.substr(ps.v1_i).replace(/</g, "<").replace(">", ">") +
									"</span>";
								break;
							}
						} else if (ps.v1_eq_max > ps.v2_eq_max) {
							ps.v1_new_value +=
								"<span style='" +
								op.value1_style +
								"'>" +
								op.value1
									.substr(ps.v1_i, ps.v1_start - ps.v1_i)
									.replace(/</g, "<")
									.replace(">", ">") +
								"</span>";
							ps.v1_i = ps.v1_start;
						} else {
							ps.v2_new_value +=
								"<span style='" +
								op.value2_style +
								"'>" +
								op.value2
									.substr(ps.v2_i, ps.v2_start - ps.v2_i)
									.replace(/</g, "<")
									.replace(">", ">") +
								"</span>";
							ps.v2_i = ps.v2_start;
						}
					}
				}
				op.value1 = ps.v1_new_value;
				op.value2 = ps.v2_new_value;
				return op;
			}
			function settextheight() {
				var heigth = document.documentElement.clientHeight - 6 + "px";
				document.getElementById("edit_pre_1").style.height = heigth;
				document.getElementById("edit_textarea_1").style.height = heigth;
				document.getElementById("edit_pre_2").style.height = heigth;
				document.getElementById("edit_textarea_2").style.height = heigth;
			}
			window.onload = function () {
				settextheight();
				window.onresize = function () {
					settextheight();
				};
			};
		</script>
	</body>
</html>